Radiation leaked from a damaged Japanese nuclear reactor north of Tokyo on Saturday, the government said, after an explosion blew the roof off the facility in the wake of a massive earthquake.
The developments raised fears of a meltdown at the plant as officials scrambled to contain what could be the worst nuclear disaster since the Chernobyl explosion in 1986 that shocked the world.
The Japanese plant was damaged by Friday’s 8.9-magnitude earthquake, which sent a 10-meter (33-foot) tsunami ripping through towns and cities across the northeast coast. Japanese media estimate that at least 1,300 people were killed.
“We are looking into the cause and the situation and we’ll make that public when we have further information,” Chief Cabinet Secretary Yukio Edano said after confirming the explosion and radiation leak at the plant.
Edano said an evacuation radius of 10 km (6 miles) from the stricken 40-year-old Daiichi 1 reactor plant in Fukushima prefecture was adequate, but an hour later the boundary was extended to 20 km (13 miles). TV footage showed vapor rising from the plant, 240 km (150 miles) north of Tokyo.
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