Japanese authorities have raised the severity rating of their nuclear crisis to the highest level, seven.
The decision reflects the total release of radiation at the damaged Fukushima Daiichi power plant, which is ongoing, rather than a sudden deterioration.
Level seven previously only applied to the 1986 Chernobyl disaster, where 10 times as much radiation was emitted.
Read it all.
(BBC) Japan: Nuclear crisis raised to Chernobyl level
Japanese authorities have raised the severity rating of their nuclear crisis to the highest level, seven.
The decision reflects the total release of radiation at the damaged Fukushima Daiichi power plant, which is ongoing, rather than a sudden deterioration.
Level seven previously only applied to the 1986 Chernobyl disaster, where 10 times as much radiation was emitted.
Read it all.