Japan Fears Nuclear Reactor Core Breach

Japanese nuclear safety officials raised the possibility of more severe environmental contamination on Friday with their latest announcement on the country's nuclear crisis.

“It is possible that somewhere at the reactor may have been damaged,'' AP quoted Hidehiko Nishiyama, a spokesman for the nuclear safety agency, as saying.

He added, however, “Our data suggest the reactor retains certain containment functions,'' implying that limited damage could have occurred in Fukushima's Unit 3 reactor core.'

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