NHK (TV) newscaster announced at 18:22 that the fuel rods of [ No.2] reactor of Fukushima No.1 plant had become almost all exposed out of water level.
The authority in Japan called ' Nuclear and Industrial Safety Agency '
http://www.nisa.meti.go.jp/english/index.html admitted that it cannot deny the possibility that some fuel rods have melted, NHK says.
But after a few minutes of this announcement, the NHK anchorman announced the follow-up that suddenly the continuing efforts of pouring seawater became effective ( 19:00), and some seawater was poured into the containment vessel. Then 19:50, some rods were in the water. But some must have been melted, so the situation is still very dangerous, NHK says.
According to experts on TV, when the melted fuel rods drop in water below, it might cause an instant vapor explosion, which will surely much more disastrous than the two hydrogen explosions this plant has had in the facilities of its No.1 (12th) and No.3 ( this afternoon) reactors. That will be true 'melt down.'
A lucky story is that all the reactors of Fukushima No.2 plant have become safe now, as the temperature in their containment vessels have decreased. This is because in this plant, electricity is on.
It was announced early this afternoon that Prime Minister, who was supposed to go to the hard-hit areas to see the situation, would not go, as such areas might be desperate now, his visit might be cumbersome.
Makiko Sato
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