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.<br /><br />Officials warn of a possible meltdown in a quake-hit reactor and authorities are concerned about radiation leakage. <br /><br />More than 1,000 people are feared killed, and helicopters skim over the swathes of flattened land, searching for survivors.<br /><br />Al Jazeera's Charles Stratford reports.
