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Reactor Core May Be Breached at Damaged Fukushima Plant

Japan’s nuclear regulator said one reactor core at the quake-damaged Fukushima Dai-Ichi power plant may be cracked and leaking radiation.

“It’s very possible that there has been some kind of leak at the No. 3 reactor,” Hidehiko Nishiyama, a spokesman at the Japan Nuclear and Industrial Safety Agency, said in Tokyo today. While radioactive water at the unit most likely escaped from the reactor core, it also could have originated from spent fuel pools stored atop the reactor, he said.