www.theecologist.org/News/news_round_up/2217953/fukushima_meltdown_mystery_steam_rising_over_reactor_3.html
"Fukushima's Reactor Building 3 exploded on 13th March 2011 as a result of a hydrogen buildup, breaching the building's containment and emitting a huge plume of radiation. The reactor itself is in meltdown.
And now fresh plumes of steam have been seen coming out the structure."