TEPCO : Press Release | Damage to the Unit 4 Nuclear Reactor Building at Fukushima Dai-ichi Nuclear Power Station

At approximately 6:00am, a loud explosion was heard from within the power station. Afterwards, it was confirmed that the 4th floor rooftop area of the Unit 4 Nuclear Reactor Building had sustained damage.

After usage, fuel is stored in a pool designated for spent fuel.

Plant conditions as well as potential outside radiation effects are

currently under investigation.

TEPCO, along with other involved organizations, is doing its best to

contain the situation. Simultaneously, the surrounding environment is

being kept under constant surveillance.

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TEPCO : Press Release | Damage to the Unit 4 Nuclear Reactor Building at Fukushima Dai-ichi Nuclear Power Station