Nuclear fuel has melted through base of Fukushima plant

The nuclear fuel in three of the reactors at the Fukushima Dai-Ichi nuclear plant has melted through the base of the pressure vessels and is pooling in the outer containment vessels, according to a report by the Japanese government.

http://www.telegraph.co.uk/news/worldnews/asia/japan/8565020/Nuclear-fuel-has-melted-through-base-of-Fukushima-plant.html