Japan nuclear crisis 'over in nine months'

The BBC's Roland Buerk says that people are pleased that they have been given some idea of how long the crisis could last

The operator of Japan's earthquake-hit Fukushima Daiichi nuclear plant has said it expects to bring the crisis under control by the end of the year.

Tokyo Electric Power Co (Tepco) aims to reduce radiation leaks in three months and to cool the reactors within nine months.

The firm said it also planned to cover the reactor building.

Nearly 14,000 people died and another 14,000 are still unaccounted for after the earthquake and tsunami on 11 March.

Tepco unveiled its roadmap as Hillary Clinton briefly visited Tokyo to pledge America's "steadfast support" for Japan's reconstruction.

'Cold shutdown'

Radiation levels in the sea near reactor 2 rose to 6,500 times the legal limit on Friday, up from 1,100 times a day earlier, Tepco has said, raising fears of fresh radiation leaks.

Photo provided by QinetiQ A UK firm's robots, operated via a standard games console, will go into the reactor

Tsunehisa Katsumata, the chairman of Tepco, Asia's largest utility, told a news conference in Tokyo on Sunday they would need up to nine months to bring the power plant to ''cold shutdown''.

He said the plan would allow the tens of thousands of families evacuated from the area around the facility to return home as soon as possible.

"We sincerely apologise for causing troubles," Mr Katsumata said. "We are doing our utmost to prevent the crisis from further worsening."

Tepco said after cold shutdown it would focus on encasing the reactor buildings, cleaning up contaminated soil and removing nuclear fuel.

Japan's government had ordered Tepco to come up with a timetable to end the crisis, now rated on a par with the world's worst nuclear accident, the 1986 Chernobyl disaster.

But the BBC's Roland Buerk in Tokyo says it is still not certain that the nine-month deadline can be achieved.

He says the immediate priority for Tepco is to stop radioactive water leaking into the Pacific Ocean.

The utility said it was sending remote-controlled robots into one of the reactors on Sunday to gauge radiation and temperature levels.

UK defence contractor QinetiQ said it had provided the machines, which are directed by controllers usually supplied with games consoles.

The robots can carry out tasks such as rubble clearance, demolition and radiation testing.

Japan is a world leader in such technology, but its robots are not adapted for dirty work such as meltdowns at nuclear plants, experts say.

US thanked

Emergency workers have been unable to enter any reactor building since the disaster.

Japanese Emperor Akihito (L) and Empress Michiko (R) greet Hillary Clinton at the Imperial Palace in Tokyo on 17 April 2011 Before the disaster, Japan-US ties had been strained by a dispute over military bases

Our correspondent says Japan's recovery bill has been estimated at $300bn (£184bn) - already the most expensive disaster in history.

But the government said last week that figure might be an underestimate.

Meanwhile, US Secretary of State Clinton said in Japan she believed the country would emerge stronger from its worst crisis since World War II.

She met Prime Minister Naoto Kan and had tea with Emperor Akihito at the Imperial Palace, said to be a rare privilege for a non-head of state on a Sunday.

America has won Japanese admiration for sending scores of US ships and aircraft as well as 20,000 troops to help the relief effort.

Operation Tomodachi, or Friend, was the biggest humanitarian mission the US has conducted in Japan.

Before the quake, the two nations' ties had been strained by a dispute over US military bases on the southern Japanese island of Okinawa.

Mr Kan's predecessor as premier quit last year after being accused of reneging on a promise to remove at least one of the bases.

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