Fukushima disaster: What happened at the nuclear plant?
A tsunami struck the Japanese plant in 2011, leading to the worst nuclear disaster since Chernobyl. …
At the Fukushima nuclear power plant, the gigantic wave surged over defences and flooded the reactors, sparking a major disaster. Authorities set up an exclusion zone which grew larger and larger as radiation leaked from the plant, forcing more than 150,000 people to evacuate from the area.