Guardian: Frantic efforts to contain radioactive leaks at the wrecked Fukushima Daiichi nuclear power plant have been dealt another blow after its operator said about 300 tonnes of highly contaminated water had seeped out of a storage tank at the site.
The leak is the worst such incident since the March 2011 meltdown and is separate from the contaminated water leaks, also of about 300 tonnes a day, reported recently.
Tokyo Electric Power Co (Tepco) said it did not know how the water leaked out or where...