Leak found in reactor pit, Japan PM tours disaster zone

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Japan's prime minister made his first visit to the country's tsunami-devastated region on Saturday as the operator of the stricken Fukushima nuclear complex said it had found radioactive water leaking into the sea from a cracked concrete pit.

In a discovery regulators said might explain the radioactive water that has hobbled efforts to quell Japan's nuclear crisis, Tokyo Electric Power Co (TEPCO) said the radiation in the pit at its No.2 reactor in Fukushima measured 1,000 millisieverts per hour.

"With radiation levels rising in the seawater near the plant, we have been trying to confirm the reason why, and in that context, this could be one source," said Hidehiko Nishiyama, deputy head of the Nuclear and Industrial Safety Agency.

He cautioned, however, "We can't really say for certain until we've studied the results."

TEPCO is preparing to pour concrete into the pit to stop the leak, added Nishiyama.

Prime Minister Naoto Kan spoke with refugees living in a makeshift camp in the fishing village of Rikuzentakata, levelled by the tsunamis which struck on March 11 when Japan was rocked by a massive earthquake, leaving 28,000 dead and missing.

"It will be kind of a long battle, but the government will be working hard together with you until the end. I want everyone to do their best, too," Kan told one survivor in a school that was now an evacuation shelter.

Despite its tsunami seawalls, Rikuzentaka was flattened into a wasteland of mud and debris and most of its 23,000 residents killed or injured, many swept away by the waves.

"A person that used to have a house near the coast told me 'Where am I supposed to build a house after this?', so I encouraged this person and said the government will provide support until the end," Kan told reporters.

Unpopular and under pressure to quit or call a snap poll before the disaster, Kan has been criticised for his management of Japan's humanitarian and nuclear crisis and his leadership remains in question.

"There are some evacuation centres that lack electricity and water. There are people who can't even go look for the dead. I want him to pay attention to them," said Kazuo Sato, a 45-year-old fisherman.

Kan later entered the 20-km (12-mile) evacuation zone and visited J-village just inside the zone, a sports facility serving as the headquarters for emergency teams trying to cool the six-reactor Fukushima Daiichi plant.

Economi consequences

After three weeks, operators of the plant are no closer to regaining control of damaged reactors, as fuel rods remain overheated and high levels of radiation flow into the sea.

TEPCO, Asia's largest power company, has seen its shares lose 80 per cent - $32 billion in market value - since the disaster.

Japan is facing a damages bill which may top $300 billion - the world's biggest from a natural disaster.

The International Monetary Fund (IMF) said on Friday the Japanese economy would take a short-term hit and it could not rule out further intervention for the yen.

The IMF is set to cut its 2011 forecast for Japanese growth when it unveils updated figures on April 11 in its World Economic Outlook, said IMF Japan mission chief Mahmood Pradhan.

Japan's central bank is expected to revise down its economic assessment when it meets on April 6-7 in the wake of the crisis.

The consequences for the world's third largest economy have already seen manufacturing slump to a two-year low. Power outages and quake damage have hit supply chains and production.

There has been growing talk of a coalition between the ruling Democratic Party of Japan (LDP) and the main opposition Liberal Democratic Party to tackle the aftermath of the crisis.

But there has been no agreement and the Yomiuri newspaper said opposition parties would likely insist Kan step down first.

The government has already been battling the opposition to get laws in place to make the new budget, from April 1, workable. Kan wants an extra budget soon for reconstruction which would also need help from opposition parties to function.

Radiation battle continues

Hundreds of thousands remain homeless, sheltering in evacuation centres, as the death toll from the disaster rises.

Thousands of Japanese and U.S. soldiers on Saturday conducted a search for bodies using dozens of ships and helicopters to sweep across land still under water along the northeast coast. The teams hope when a large spring tide recedes it will make it easier to spot bodies.

Radiation 4,000 times the legal limit has been detected in seawater near the Daiichi plant and a floating tanker was to be towed to Fukushima to store contaminated seawater. But until the plant's internal cooling system is reconnected radiation will flow from the plant.

"We are trying to employ as many measures as possible (to put the plant under control). We are holding high hopes (for this storage)," said a TEPCO official.

In its attempt to bring the plant under control, TEPCO is looking for 'jumpers' -- workers who, for payment of up to $5,000 a shift, will rush into highly radioactive areas to do a quick task before racing out as quickly as possible.

"My company offered me 200,000 yen ($2,500) per day," one subcontractor, unidentified but in his 30s, told Japan's Weekly Post magazine.

"Ordinarily I'd consider that a dream job, but my wife was in tears and stopped me, so I declined."

TEPCO was also spraying resin onto radioactive dust in an attempt to stop it from being carried in the wind.

"We sprayed 2,000 litres over 500 square metres of land. We plan to evaluate the result of the test spraying on April 2nd and 3rd. It takes about 24 hours for this scattering-prevention solution to get dried," said the official.

It could take years, possibly decades, to make safe the area around the plant, 240 km (150 miles) north of Tokyo.

With its president, Masataka Shimizu, in hospital, an enormous compensation bill looming and mounting criticism of both its handling of the crisis and prior safety preparations, TEPCO may need state help, according to media reports.

Kan has all but ruled out nationalising TEPCO but some sort of injection of public funds looks inevitable.

Standard & Poor's on Friday cut its long-term rating on TEPCO by three notches to "BBB+", in its second downgrade on the electric utility in as many weeks.