Japan tries to avert nuclear meltdown
- As he spoke, officials worked desperately to stop fuel rods in the damaged reactors from overheating, which could in turn melt the container that houses the core, or even explode, releasing radioactive material into the wind.The government said a building housing a second reactor at the same complex was at risk of exploding after a blast blew the roof off the first the day before. The complex is 240 km (150 miles) north of Tokyo.The No. 1 reactor is 40 years old and was originally scheduled to go out of commission in February but had its operating license extended another 10 years. But Kan said the crisis was not another Chernobyl, referring to the 1986 nuclear disaster.