Japan suspends restart of world's biggest nuclear plant
The restart of the world's largest nuclear power plant was suspended in Japan on Thursday, with the operator saying it does not know when the problem would be solved. The Kashiwazaki-Kariwa plant in Niigata province had been closed since the 2011 Fukushima disaster, but operations to relaunch it had begun on Wednesday after it received the final green light from the nuclear regulator. Ho