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A day after an earthquake triggered a devastating tsunami in Japan, an explosion at a nuclear plant raised fears that bad could turn into worse. Officials warn of a possible meltdown in a quake-hit reactor and authorities are concerned about radiation leakage. More than 1,000 people are feared killed, and helicopters skim over the swathes of flattened land, searching for survivors.
Al Jazeera's Charles Stratford reports.
