Fukushima levels spike '18-fold'

Radiation at a storage tank holding highly contaminated water at Japan's crippled Fukushima nuclear plant has spiked 18-fold, the plant's operator has said. The levels are enough to kill an exposed person in four hours.

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Radiation readings spike at Fukushima nuclear plant

Radiation at a tank holding highly contaminated water at Japan's crippled Fukushima nuclear plant has spiked 18-fold, the plant's operator has said.

Radiation of 1,800 millisieverts per hour - enough to kill an exposed person in four hours - was detected near the bottom of one storage tank on Saturday, Tokyo Electric Power Co , also known as Tepco, said.

The Fukushima Daiichi nuclear plant is seen burning after it was destroyed by an earthquake and tsunami in March 2011 Credit: Digital Globe/Reuters/Handout

A Tepco spokesman also said a new leak had been detected from a pipe connecting two other tanks.

The Fukushima plant was destroyed by a tsunami in March 2011 in the worst nuclear disaster since Chernobyl a quarter of a century earlier.

Read more: Concern over Fukushima leak

Danger level raised at Fukushima nuclear plant

International concern is growing over the leak of highly radioactive water from the Fukushima nuclear plant in Japan. The danger level has been raised from one to three, the highest level since the tsunami caused a meltdown, two years ago.

The leak is the latest in a series of growing safety concerns at the plant, as ITV News Correspondent Paul Davies reports.

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Nuclear watchdog criticises Fukushima plant safety

Japan's nuclear watchdog has criticised the safety checks by plant workers at the Fukushima Dai-ichi plant. The comments come as it emerged hundreds of tonnes of highly radioactive water leaked from the plant into the Pacific Ocean. The leak is the fifth such incident in a year.

Officials said workers apparently overlooked several signs of the leaks - and suggested that the twice-daily patrols recorded were largely just a walk. Water levels inside tanks were not monitored, and the puddle that caused this latest leak was not detected, until it was too late.

Watchdog chairman Shunichi Tanaka said another radioactive leak into the sea is a real fear, and steps must be taken immediately to safeguard the plant.

That's what we fear the most. We must remain alert.

We should assume that what has happened once could happen again, and prepare for more. We are in a situation where there is no time to waste.

Radioactive water leak prompts fresh Fukushima fears

The leaking of radioactive water into the Pacific Ocean has prompted Japan's nuclear watchdog to propose that the risk level of at the Fukushima nuclear power plant is raised from "an anomaly" to a "serious incident."

300 tonnes of highly radioactive water has leaked from one of hundreds of steel tanks around the Fukushima Dai-ichi plant. Credit: Reuters

The call was made after it emerged that approximately 300 tonnes of highly radioactive water has leaked from one of hundreds of steel tanks around the wrecked Fukushima Dai-ichi plant.

The leak is the fifth in the past year involving the tanks, and Japan's nuclear watchdog is concerned further potentially disastrous leaks could come.

China 'shocked' by ongoing leak from Fukushima

China has said it is "shocked" that Japan's Fukushima nuclear plant is still leaking radioactive water two years after it was destroyed by an earthquake and tsunami, the Chinese Foreign Ministry has said.

The Fukushima Daiichi nuclear plant is seen burning after it was destroyed by an earthquake and tsunami in March 2011 Credit: DIGITAL GLOBE REUTERS/Digital Globe/Handout

China "hopes that the Japanese side can earnestly take effective steps to put an end to the negative impact of the after-effects of the Fukushima nuclear accident," the Foreign Ministry said in a statement.

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