At approximately 11:01am, an explosion followed by white smoke occurred 
at the reactor building of Unit 3. It was believed to be a hydrogen 
explosion.

According to the parameter, it is believed that the reactor containment 
vessel remains intact. However, the status of the plant and the impact 
of radioactive materials to the outside environment are presently under 
investigation. (previously announced)

As of 1:30 pm, 4 TEPCO employees and 3 workers from other companies have 
sustained injuries (all of them are conscious). 3 ambulances are in 
operation to care for them and 2 have already dispatched the casualties 
to the hospital.

As of 0:30 pm, the measured value of radiation dose near MP6 was 4μSv/h.
The increase of the radiation dose cannot be confirmed at this time. 

As of 0:30 pm, the measured value of radiation dose at the monitoring 
post in Fukushima Daini Power Station located approximately 10 km south 
of Fukushima Daiichi Power Station remains at the same level. 

In light of the incidents that have occurred at Units 1 and 3, we are 
considering applying prevention measures to the wall of the reactor 
building to ventilate the hydrogen gas contained in Unit 2. 

TEPCO continues to take all measures to restore the safety and security 
of the site and are monitoring the site's immediate surroundings.