Breaking now from Kyodo News Service:
BREAKING NEWS: Hydrogen blast occurs at Fukushima nuke plant's No. 3 reactor: agency
BREAKING NEWS: Residents near nuke plants ordered to be inside buildings
And worse news now breaking on BBC via AFP:
There were two explosions at Reactor 3, the operator Tepco says - AFP.
Also from BBC:
#0220: Sea level has dropped five metres off Fukushima, confirming imminent arrival of tsunami - Japanese TV.