Japan Starts Removing Melted Nuclear Fuel at Bottom of Fukushima

More than 13 years after the worst nuclear disaster since Chernobyl, Tokyo Electric Power Co. has started to remove melted radioactive fuel at the bottom of one of the wrecked Fukushima reactors.

The Japanese utility began the process at Fukushima Dai-ichi Nuclear Power Plant’s reactor No. 2 on Tuesday, it said in a statement. The plant suffered a meltdown in 2011, after a massive earthquake and tsunami overwhelmed the facility and led to a loss of backup electricity.

Tepco is aiming to retrieve just 3 grams of fuel mixed with other debris as part of a demonstration program for the ...