Guardian: Japan is to issue its gravest warning about the state of the wrecked Fukushima Daiichi nuclear power plant since the facility suffered a triple meltdown almost two and a half years ago.
The new warning, expected on Wednesday, comes only a day after the nuclear watchdog assigned a much lower ranking when the plant's operator, Tepco, admitted about 300 tonnes of highly toxic water had leaked from a storage tank at the site.
The Nuclear Regulation Authority has now said it will dramatically raise...