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Tepco Workers Threatened by Heat Bursts; Sea Radiation Rises

Japan’s damaged nuclear plant may be in danger of emitting sudden bursts of heat and radiation, undermining efforts to cool the reactors and contain fallout.

The potential for limited, uncontrolled chain reactions, voiced yesterday by the International Atomic Energy Agency, is among the phenomena that might occur, Chief Cabinet Secretary Yukio Edano told reporters in Tokyo today. The IAEA “emphasized that the nuclear reactors won’t explode,” he said.