Rescuers Search for Man as Fla. Sinkhole Grows

Rescuers early Saturday morning returned to the site where a sinkhole swallowed a Florida man in his bedroom after the home's foundation collapsed.

Jeff Bush was in his bedroom when a sinkhole opened up and trapped him underneath his home at 11 p.m. Thursday night.

While the sinkhole was initially estimated to be 15 feet deep on Thursday night, the chasm has continued to grow. Officials now estimate it measures 30 feet across and up to 100 feet deep.

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Rescue operations were halted Friday night after it became too dangerous to approach the home.

Bill Bracken, an engineer with Hillsborough County Urban Search and Rescue team said that the house "should have collapsed by now, so it's amazing that it hasn't."

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Using ground penetrating radar, rescuers have found a large amount of water beneath the house, making conditions even more dangerous for them to continue the search for Bush.

"I'm being told it's seriously unstable, so that's the dilemma," said Hillsborough County administrator Mike Merrell. "A dilemma that is very painful to them and for everyone."

Hillsborough County lies in what is known as Florida's "Sinkhole Alley." Over 500 sinkholes have been reported in the area since 1954, according to the state's environmental agency.

The Tampa-area home was condemned, leaving Bush's family unable to go back inside to gather their belongings. As a result, the Hillsborough County Fire Rescue set up a relief fund for Bush's family in light of the tragedy.

Officials evacuated the two houses adjacent to Bush's and are considering further evacuations, the Associated Press reported.

Meanwhile, Bush's brother, Jeremy Bush, is still reeling from Thursday night.

Jeremy Bush had to be rescued by a first responder after jumping into the hole in an attempt to rescue his brother when the home's concrete floor collapsed, but said he couldn't find him.

"I just started digging and started digging and started digging, and the cops showed up and pulled me out of the hole and told me the floor's still falling in," he said.

"These are everyday working people, they're good people," said Deputy Douglas Duvall of the Hillsborough County sheriff's office, "And this was so unexpected, and they're still, you know, probably facing the reality that this is happening."

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Liew Mun Leong retires as chairman of CMA

SINGAPORE : CapitaMalls Asia's will have a new board chairman after the retirement of Mr Liew Mun Leong.

He will be replaced by Mr Ng Kee Choe after the Annual General Meeting (AGM) on 24 April.

Mr Liew is the former CEO of CapitaLand, the parent company of CapitaMalls Asia.

CapitaLand CEO Lim Ming Yan will replace Mr Liew as Chairman of CapitaMalls Asia's Corporate Disclosure Committee and Investment Committee, and as a member of the Executive Resource and Compensation Committee and Nominating Committee on 24 April 2013.

Mr Liew had been chairman of CapitaMalls Asia since the company was incorporated in October 2004.

- CNA/ch

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J&K assembly adjourned after furore over Afzal issue

JAMMU: The Jammu and Kashmir assembly was rocked by repeated disruptions on Friday, which ultimately led to the House being adjourned for the day, as various parties demanded that Parliament attack convict Afzal Guru's mortal remains be handed over to his family.

Cutting across party lines, members of the House from the ruling National Conference as well as opposition PDP and CPM had moved adjournment motions seeking discussion on the situation in the aftermath of Guru's execution and handing over of his mortal remains to his family.

Led by the leader of the opposition Mehbooba Mufti, PDP legislators flashed placards and demanded suspension of the business of the House to discuss the issue, with CPM member MY Tarigami, too joining in urging the speaker Mubarak Gul to accept their demand.

But when the speaker tried to pacify them saying that a discussion would be held in due course, PDP members raised slogans like 'Guru ki body ko wapas karoo, wapas karoo' (Return Guru's body).

"If there is a serious issue, (then) you have to suspend the normal business and discuss (it). But I fail to understand the attitude of this government (since yesterday)," Mehbooba Mufti later told reporters here.

The protests continued for over 15 minutes, forcing the speaker to adjourn the House for 45 minutes.

As the House reassembled after the adjournment, the speaker said that he had received adjournment motions of five members of NC besides those from PDP and CPIM and that he would take a view on them.

However, PDP members continued their protest even as the speaker started discussion on the governor's address.

With noisy scenes continuing in the House, the speaker adjourned the House for a second time around noon and later for the day.

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WHO: Slight cancer risk after Japan nuke accident

LONDON (AP) — Two years after Japan's nuclear plant disaster, an international team of experts said Thursday that residents of areas hit by the highest doses of radiation face an increased cancer risk so small it probably won't be detectable.

In fact, experts calculated that increase at about 1 extra percentage point added to a Japanese infant's lifetime cancer risk.

"The additional risk is quite small and will probably be hidden by the noise of other (cancer) risks like people's lifestyle choices and statistical fluctuations," said Richard Wakeford of the University of Manchester, one of the authors of the report. "It's more important not to start smoking than having been in Fukushima."

The report was issued by the World Health Organization, which asked scientists to study the health effects of the disaster in Fukushima, a rural farming region.

On March 11, 2011, an earthquake and tsunami knocked out the Fukushima plant's power and cooling systems, causing meltdowns in three reactors and spewing radiation into the surrounding air, soil and water. The most exposed populations were directly under the plumes of radiation in the most affected communities in Fukushima, which is about 150 miles (240 kilometers) north of Tokyo.

In the report, the highest increases in risk are for people exposed as babies to radiation in the most heavily affected areas. Normally in Japan, the lifetime risk of developing cancer of an organ is about 41 percent for men and 29 percent for women. The new report said that for infants in the most heavily exposed areas, the radiation from Fukushima would add about 1 percentage point to those numbers.

Experts had been particularly worried about a spike in thyroid cancer, since radioactive iodine released in nuclear accidents is absorbed by the thyroid, especially in children. After the Chernobyl disaster, about 6,000 children exposed to radiation later developed thyroid cancer because many drank contaminated milk after the accident.

In Japan, dairy radiation levels were closely monitored, but children are not big milk drinkers there.

The WHO report estimated that women exposed as infants to the most radiation after the Fukushima accident would have a 70 percent higher chance of getting thyroid cancer in their lifetimes. But thyroid cancer is extremely rare and one of the most treatable cancers when caught early. A woman's normal lifetime risk of developing it is about 0.75 percent. That number would rise by 0.5 under the calculated increase for women who got the highest radiation doses as infants.

Wakeford said the increase may be so small it will probably not be observable.

For people beyond the most directly affected areas of Fukushima, Wakeford said the projected cancer risk from the radiation dropped dramatically. "The risks to everyone else were just infinitesimal."

David Brenner of Columbia University in New York, an expert on radiation-induced cancers, said that although the risk to individuals is tiny outside the most contaminated areas, some cancers might still result, at least in theory. But they'd be too rare to be detectable in overall cancer rates, he said.

Brenner said the numerical risk estimates in the WHO report were not surprising. He also said they should be considered imprecise because of the difficulty in determining risk from low doses of radiation. He was not connected with the WHO report.

Some experts said it was surprising that any increase in cancer was even predicted.

"On the basis of the radiation doses people have received, there is no reason to think there would be an increase in cancer in the next 50 years," said Wade Allison, an emeritus professor of physics at Oxford University, who also had no role in developing the new report. "The very small increase in cancers means that it's even less than the risk of crossing the road," he said.

WHO acknowledged in its report that it relied on some assumptions that may have resulted in an overestimate of the radiation dose in the general population.

Gerry Thomas, a professor of molecular pathology at Imperial College London, accused the United Nations health agency of hyping the cancer risk.

"It's understandable that WHO wants to err on the side of caution, but telling the Japanese about a barely significant personal risk may not be helpful," she said.

Thomas said the WHO report used inflated estimates of radiation doses and didn't properly take into account Japan's quick evacuation of people from Fukushima.

"This will fuel fears in Japan that could be more dangerous than the physical effects of radiation," she said, noting that people living under stress have higher rates of heart problems, suicide and mental illness.

In Japan, Norio Kanno, the chief of Iitate village, in one of the regions hardest hit by the disaster, harshly criticized the WHO report on Japanese public television channel NHK, describing it as "totally hypothetical."

Many people who remain in Fukushima still fear long-term health risks from the radiation, and some refuse to let their children play outside or eat locally grown food.

Some restrictions have been lifted on a 12-mile (20-kilometer) zone around the nuclear plant. But large sections of land in the area remain off-limits. Many residents aren't expected to be able to return to their homes for years.

Kanno accused the report's authors of exaggerating the cancer risk and stoking fear among residents.

"I'm enraged," he said.

___

Mari Yamaguchi in Tokyo and AP Science Writer Malcolm Ritter in New York contributed to this report.

__

Online:

WHO report: http://bit.ly/YDCXcb

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Fla. Man Swallowed by Sinkhole, No Signs of Life

A Florida man has disappeared into a 30-foot-wide, 20-foot-deep sinkhole that collapsed the bedroom portion of his home overnight, according to police.

The hole opened up at around 11 p.m. Thursday night in the Brandon, Fla., neighborhood, authorities said.

"[The family] heard a sound that they described as a car crash emanating from the bedroom in the back of the house," Hillsborough County Fire Chief Ron Rogers said at a news conference today.

The family rushed into the room where Jeff Bush, 36, was sleeping, according to ABC News' Tampa affiliate WFTS-TV.

"All they could see was part of a mattress sticking out of the hole. Essentially, the floor of the room had opened up," Rogers said. "They could hear the nephew in the hole, but they could not see him."

Bush's brother, Jeremy Bush, jumped in and tried to rescue him, but was unsuccessful. A first responder "heroically" jumped in and rescued the brother, Rogers said.

The family was evacuated from the home as rescuers tried to get to the man.

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Listening devices and cameras were sent into the hole.

"They did not detect any signs of life," Rogers said. "There continued to be collapses of the earth below the floor to the point where they had to eventually back out of the house."

Rogers said the main issue right now is that authorities and rescuers do not know how stable the house is.

It was previously reported that the hole was 100-feet wide, but Bill Bracken, president of Bracken engineering, clarified at the news conference that the safety zone around the hole is 100 feet, but the hole itself is between 20 to 30 feet in diameter.

It is contained within the footprint of the house, he said.

"The hole has actually taken up most of the inside of the house," Bracken said. "It started in the bedroom and has been expanding outward and it's taking the house with it as it opens up."

When asked what authorities believe the victim's status is, Rogers said, "Until we can actually determine where the victim is, I can't really answer that. We're going to do everything we can for Mr. Bush, but we have to make sure we don't endanger other personnel in the process."

Rogers said "time is a critical thing" and they are assessing the situation as quickly as possible without jeopardizing anyone else.

"We're not going to leave until we know that this community is safe and we know the extent of this issue here," he said. We're going to make sure that everyone is safe as much as we can. We don't know where the next sinkhole is going to open."

Police evacuated the other residents from the structure, as well as the two surrounding homes. Officials say the home could go at any moment.

"Our hearts go out to the Bush family during this terrible time," he said. "They're dealing with a lot of questions, a lot of unknowns."

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Scientists link two rats' brains, a continent apart

PARIS: Creating a "superbrain" of connected minds, scientists on Thursday said they had enabled a rat to help a fellow rodent while the animals were a continent apart but connected through brain electrodes.

With electrodes imbedded in its cortex, a rat in a research institute in Natal, Brazil sent signals via the Internet to a counterpart at a university lab in Durham, North Carolina, helping the second animal to get a reward.

The exploit opens up the prospect of linking brains among animals to create an "organic computer", said Brazilian neurobiologist Miguel Nicolelis.

It also helps the quest to empower patients stricken with paralysis or locked-in syndrome, he said.

"We established a functional linkage between two brains. We created a superbrain that comprises two brains," Nicolelis said in a phone interview with AFP.

Published in the journal Scientific Reports, Nicolelis' team gave basic training to thirsty rats, who had to recognise lights and operate a lever to get a reward of water.

They then implanted ultra-fine electrodes in the rats' brains, which were linked by a slender overhead cable to a computer.

In a glass tank in Natal, the first rat was the "encoder", its brain sending out a stream of electrical pulses as it figured out the tricks for getting the reward.

The pulses were sent in real time into the cortex of the second rat, or "decoder" rat, which was facing identical apparatus in a tank in North Carolina.

With these prompts from its chum, the decoder rat swiftly found the reward in turn.

"The pair of animals collaborated to solve a task together," said Nicolelis.

What the second rat received were not thoughts, nor were they images, Nicolelis said.

When the encoder rat achieved various tasks, the peaks in his brain signals were transcribed into a telltale pattern of electronic signals that were received by the decoder rat.

Once the rat recognised the usefulness of these patterns, they became incorporated into its visual and tactile processing.

"The second rat learns to recognise a pattern, a statistical pattern, that describes a decision taken by the first rat. He's creating an association of that pattern with a decision," said Nicolelis.

"He may be feeling a little tactile stimulus, but it's something that we don't know how to describe because we cannot question the subject."

The linkage "suggests we could create a brain net, formed of joined-up brains, all interacting," the scientist said, hastening to stress that such experiments would only be conducted on lab animals, not humans.

"If you connect several animal brains, rat brains or primate brains, you probably could be creating an organic computer that is a non-Turing machine, a machine that doesn't work according to the Turing design of all the digital computers that we know. It would be heuristic, it wouldn't use an algorithm, and it would uses probabilistic decision-making based on organic hardware."

Still unclear is how the decoder animal incorporates the encoder's signals into its mental space, a phenomenon called cortical plasticity.

"We basically show that the decoder animal can incorporate another body as an extension of the map that the animal has in it's own brain," said Nicolelis, adding, though: "We don't know how this is done."

Nicolelis carries out research at Duke University in Durham and at the Edmond and Lily Safra International Institute for Neuroscience of Natal, or ELS-IINN.

A decade ago, he leapt to prominence for pioneering work in having lab monkeys move a robotic arm through brain impulses.

The latest work should help this, he said: "We are learning ways to interact with and send messages to the mammalian brain that will be fundamental for our goals of medical rehabilitation."

His next goal is to have a paraplegic patient give the official kickoff to the 2014 World Cup in Brazil, using a brain-machine interface to activate an artificial limb.

- AFP/al

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Left returns to power in Tripura for 5th consecutive time; Congress retains Meghalaya

AGARTALA: The Left Front in Tripura today retained power for the fifth consecutive time since 1993 with the coalition securing a three-fourths majority by winning 50 of the 60 Assembly seats.

While CPM, which contested in 55 seats, secured win in 49 seats, coalition partner CPI won one seat of the two it had contested. However, RSP which fought in two seats and Forward Bloc in one, failed to open their accounts.

The Left Front also increased its tally from 49 seats in 2008 and 42 seats in 2003, paving the way for the seventh Left Front government since 1978 in the Northeast state.

The Congress managed to retain 10 seats of the 48 in which it had contested, while allies Indigenous Nationalist Party of Tripura and National Conference of Tripura were unable to win a single seat. The INPT and the NCT had contested in 10 and one seats, respectively.

All ministers of the outgoing ministry except science and technology minister Joy Gobinda Debroy of RSP were re-elected.

Chief minister Manik Sarkar won from the Dhanpur constituency where he defeated his nearest rival -- Congress' Shah Alam -- by 6,017 votes. Sarkar had won by 4,000 votes in the last Assembly elections.

Finance minister Badal Chowdhury made electoral history by defeating his nearest rival, a Congress candidate, by 12,429 votes in the Hrishyamukh constituency.

Other prominent Front leaders who won are Agriculture Minister Aghore Debbarma (Asharambari constituency), Industries Minister Jitendra Chowdhury (Manu) and Jail Minister Manindra Reang (Shantirbazar; ST).

Among Congress winners were Leader of the Opposition Ratan Lal Nath (Mohanpur constituency) and TPCC President Sudip Roy Burman (Agartala).

INPT president Bijoy Hrankhawl (Ambassa) and former TPCC president Surajit Dutta (Ramnagar) were among prominent candidates who lost in electoral battle.

CPM state party secretary Bijan Dhar said: "It is a victory of the people of the state, and a victory of peace and development and good governance of the sixth Left Front government."

Leader of the opposition Ratan Lal Nath said, "We accept defeat and will review the causes for it.

Nagaland for NPF and Congress wins Meghalaya

The Left Front stormed back to power in Tripura and the Naga People's Front (NPF) in Nagaland, while the Congress, which fared poorly in both states, emerged as the single largest party in Meghalaya with two seats short of absolute majority in the assembly election results declared today.

The three outgoing chief ministers of Tripura, Nagaland and Meghalaya, Manik Sarkar, Neiphu Rio and Mukul Sangma respectively were victorious.

The Left Front, which has won for the fifth consecutive term in Tripura, secured a three fourths majority with 50 of the 60 seats, with major partner CPM itself securing 49.

In Nagaland, NPF swept back to power for the third consecutive time winning absolute majority securing 38 of the 59 seats. Election in one seat was countermanded following the death of a candidate.

Congress could win only 10 of the 48 seats it contested in Tripura while it could manage to win only eight seats compared to the 18 it clinched last time in Nagaland.

In Meghalaya, the Congress bagged 29 of the 60 seats, falling two short of an absolute majority.

But the Congress improved its tally by securing four more than its tally in 2008.

The results were a shot in the arm of Congress chief minister Mukul Sangma who faced stiff opposition from old warhorse P A Sangma whose National People's Party managed to win just two seats.

In Tripura, the Left Front increased its tally from 49 seats in 2008 and 42 seats in 2003 paving the way for the installation of the seventh Left Front government since 1967.

Congress allies INPT and National Conference of Tripura, which had virtually revolted over allocation of seats before being pacified, drew a blank.

All ministers of the outgoing ministry except Science and Technology minister Joy Gobinda Debroy of RSP were re-elected.

Finance minister Badal Chowdhury made electoral history by defeating his nearest Congress rival by 12,429 votes in the Hrishyamukh constituency.

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WHO: Small cancer risk after Fukushima accident

LONDON (AP) — People exposed to the highest doses of radiation during Japan's Fukushima nuclear plant disaster in 2011 may have a slightly higher risk of cancer but one so small it probably won't be detectable, the World Health Organization said in a report released Thursday.

A group of experts convened by the agency assessed the risk of various cancers based on estimates of how much radiation people at the epicenter of the nuclear disaster received, namely those directly under the plumes of radiation in the most affected communities in Fukushima, a rural agricultural area about 150 miles (240 kilometers) north of Tokyo.

Some 110,000 people living around the Fukushima Dai-ichi nuclear plant were evacuated after the massive March 11, 2011, earthquake and tsunami knocked out the plant's power and cooling systems, causing meltdowns in three reactors and spewing radiation into the surrounding air, soil and water.

Experts calculated that people in the most affected regions had an additional 4 to 7 percent overall risk of developing cancers, including leukemia and breast cancer. In Japan, men have about a 41 percent lifetime risk of developing cancer of an organ, while a woman's lifetime risk is about 29 percent. For those most hit by the radiation after Fukushima, their chances of cancer would rise by about 1 percent.

"These are pretty small proportional increases," said Richard Wakeford of the University of Manchester, one of the authors of the report.

"The additional risk is quite small and will probably be hidden by the noise of other (cancer) risks like people's lifestyle choices and statistical fluctuations," he said. "It's more important not to start smoking than having been in Fukushima."

Experts had been particularly worried about a spike in thyroid cancer, since iodine released in nuclear accidents is absorbed by the thyroid, especially in children. After the Chernobyl disaster, about 6,000 children exposed to radiation later developed thyroid cancer because many drank contaminated milk after the accident.

In Japan, dairy radiation levels were closely monitored, but children are not big milk drinkers there.

WHO estimated that women exposed as infants to the most radiation after the Fukushima accident would have a 70 percent higher chance of getting thyroid cancer in their lifetimes. But thyroid cancer is extremely rare and the normal lifetime risk of developing it is about 0.75 percent. That lifetime risk would be 0.5 percent higher for those women who got the highest radiation doses as babies.

Wakeford said the increase in such cancers may be so small it will probably not be observable.

For people beyond the most directly affected areas of Fukushima, Wakeford said the projected risk from the radiation dropped dramatically. "The risks to everyone else were just infinitesimal."

Some experts said it was surprising that any increase in cancer was even predicted and believe that the low-dose radiation people in Fukushima received hasn't been proven to raise the chances of cancer.

"On the basis of the radiation doses people have received, there is no reason to think there would be an increase in cancer in the next 50 years," said Wade Allison, an emeritus professor of physics at Oxford University, who was not connected to the WHO report. "The very small increase in cancers means that it's even less than the risk of crossing the road," he said.

Gerry Thomas, a professor of molecular pathology at Imperial College London, accused the WHO of hyping the cancer risk.

"It's understandable that WHO wants to err on the side of caution, but telling the Japanese about a barely significant personal risk may not be helpful," she said.

Thomas said the WHO report used inflated estimates of radiation doses and didn't properly take into account Japan's quick evacuation of people from Fukushima.

"This will fuel fears in Japan that could be more dangerous than the physical effects of radiation," she said, noting that people living under stress have higher rates of heart problems, suicide and mental illness.

___

Mari Yamaguchi in Tokyo contributed to this report.

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Why Should We Care? The Politics of Picking a Pope

Feb 28, 2013 9:34am

                             (Image Credit: L’Osservatore Romano/Vatican/Getty Images)

ANALYSIS

VATICAN CITY – In a U.S presidential campaign, the New Hampshire primary is thought of as “retail politics,” where the candidates actually get to meet and have contact with real voters.

That’s Walmart, compared to a Vatican conclave. This process is more of a boutique.

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All the voters and all the viable candidates can fit into one room. In some cases, they have known each other – or known “of” each other – for years. In some cases, they have worked with (or against) each other in the daily management of the church.

It’s not just the fancy costumes, the churchly rituals or the sweep of history that makes this process so fascinating. There’s also the sheer human drama of it all.

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For the 115 men planning to take part in the conclave to elect a pope, all of whom have devoted their lives to the Catholic church, this choice might well be the most important contribution they make. A lifetime of service reduced to a single election.

It’s also crucial for the world’s 1.2 billion Roman Catholics.

The new pope will set the tone of the institution on issues of life and death: abortion, birth control, genetic medicine, euthanasia and more.

He’ll frame the church’s role in the moral debate about the way people live their lives, as individuals and as families. Divorce, gay rights, adoption, education, the role of women (not least in the church) are all areas in which previous pope’s have exerted tremendous influence.

He’ll instantly be the most powerful spiritual leader in the world, a global ambassador for Christian values (however he and the rest of the church interpret that mandate).

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Will he be able to win over a wayward flock? Many have left the church, bitterly disappointed by the betrayal of pedophile priests, the mismanagement of arrogant administrators or even what they perceive as the institution’s irrelevance in the modern era.

At its best, the church is a voice of compassion and social justice. But it has also, at times, been a voice of intolerance, as well as a bastion of the status quo.

On one level, this is local politics. Each voting cardinal – even the ones who live thousands of miles away – has a titular church, an actual church here in Rome assigned to them where they officially serve as the pastor. So the conclave represents the Roman clergy’s electing the next Bishop of Rome.

At another level, it’s global. Prelates from 50 countries do their best to discern (through the guidance of the Holy Spirit) how to make the universal church thrive in a new millennium.

Win or lose in a presidential election, we all know it’ll start all over again in four years’ time. There are checks and balances too, so, for better or worse, “change” tends to be largely a campaign slogan.

It would be sheer exaggeration to say any presidential contest were a battle for the soul of the United States.

But in a very real way that’s what this process is for the world’s largest church.

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Iran upbeat on nuclear talks, West wary

ALMATY (Reuters) - Iran gave an upbeat assessment of two days of nuclear talks with world powers that ended on Wednesday, but Western officials said Tehran must start taking concrete steps to ease mounting concerns about its atomic activity.

The first negotiations between Iran and six world powers in eight months ended without a breakthrough in Almaty, but they agreed to meet again at expert level in Istanbul next month and resume political discussions in the Kazakh city on April 5.

Israel, assumed to be the Middle East's only nuclear-armed power, is watching the talks closely. It has strongly hinted it might attack Iran if diplomacy and sanctions fail to stop it from acquiring nuclear weapons. Iran denies any such aim.

Iran's foreign minister said he was optimistic an agreement could be reached with the powers - the United States, France, Russia, Britain, Germany and China - on the country's disputed nuclear program.

"Very confident," Ali Akbar Salehi told Reuters when asked on the sidelines of a U.N. conference in Vienna how confident he was of a positive outcome.

The six powers offered at the February 26-27 Almaty meeting to lift some sanctions if Iran scaled back nuclear activity that the West fears could be used to build a bomb.

Tehran, which says its program is entirely peaceful, did not agree to do so and the sides did not appear any closer to a deal to resolve a decade-old dispute that could lead to another war in the Middle East if diplomacy fails.

But Iran still said the talks were a positive step in which the six powers tried to "get closer to our viewpoint".

Western officials had made clear they did not expect major progress in Almaty, aware that the closeness of Iran's presidential election in June is raising political tensions in Tehran and makes significant concessions unlikely.

"I hope the Iranian side is looking positively on the proposal we put forward," said European Union foreign policy chief Catherine Ashton, who led the talks on behalf of the powers. "We have to see what happens next."

The United States did not expect a breakthrough and "the result was clearly in line with those expectations," a senior U.S. official said.

The meeting was "useful" as the two sides agreed dates and venues for follow-up talks but there was a need for progress on confidence building measures, the official added.

UNDERGROUND NUCLEAR SITE

The West's immediate priority is that Iran halts higher-grade uranium enrichment and closes an underground facility, Fordow, where this work is carried out. The material is a relatively short technical step from bomb-grade uranium.

"What we care about at the end is concrete results," the U.S. official said.

One diplomat in Almaty said the Iranians appeared to be suggesting at the negotiations that they were opening new avenues, but that it was not clear if this was really the case.

Both sides said experts would meet for talks in the Turkish city of Istanbul on March 18 and that political negotiators would return to Almaty on April 5-6.

Russian negotiator Sergei Ryabkov confirmed that the powers had offered to ease sanctions on Iran if it stops enriching uranium to 20 percent fissile purity - a short technical step from weapons grade - at the Fordow underground site where it carries out its most controversial uranium enrichment work.

Western officials said the offer of sanctions relief included a resumption of trade in gold and precious metals.

One diplomat said that lifting an embargo on imports of Iranian petrochemical products to Europe, if Iran responded, was also on the table. But a U.S. official said the world powers had not offered to suspend oil or financial sanctions.

The sanctions are hurting Iran's economy and its chief nuclear negotiator, Saeed Jalili, suggested Iran could discuss its production of higher-grade nuclear fuel, although he appeared to rule out shutting Fordow.

In comments in Persian translated into English, Jalili told a news conference Fordow was under the supervision of the U.N. nuclear watchdog and there was no justification for closing it.

MOOD "MORE OPTIMISTIC"

Asked about the production of 20-percent enriched fuel, he reiterated Iran's position that it needed this for a research reactor and had a right to produce it.

Iran says its enrichment program is aimed solely at fuelling nuclear power plants so that it can export more oil, and that Israel's assumed nuclear arsenal is the main threat to peace in the region.

But Jalili did indicate that Iran might be prepared to talk about the issue, saying: "This can be discussed in the negotiations ... in view of confidence building."

Iran has also previously suggested that 20-percent enrichment was up for negotiation if it received the fuel from abroad instead. It also wants sanctions lifted.

"While an agreement to meet again may not impress skeptics of diplomacy, an important development did occur," said Trita Parsi, an expert on Iran. "The parties began searching for a solution by offering positive measures in order to secure concessions from the other side.

Another expert, Dina Esfandiary of the International Institute for Strategic Studies, said: "I note that the mood is more optimistic and that's great, but a deal still hasn't been reached and in my view its unlikely to be reached before the Iranian elections have come and gone."

(Additional reporting Fredrik Dahl in Almaaty, Georgina Prodhan in Vienna, Zahra Hosseinian in Zurich, Gabriela Baczynska in Moscow, Dan Williams in Jerusalem and Marcus George in Dubai; Writing by Timothy Heritage and Fredrik Dahl; Editing by Jon Hemming)

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