Confirmation of steam situation at a reactor building of Fukushima Daiichi Nuclear Power Plant.

In the reactor building of the first machine of the Fukushima Daiichi nuclear plant, it is thought that phenomenon "Meltdown" occurred.

The investigation by the robot was executed in this building yesterday.

Steam goes up from the floor and the space of piping.

And, it has been understood that doses of radiation of an extremely high value of 4000 millisieverts hour were measured in the vicinity.