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Fukushima nuclear disaster: Japan confirms first worker death from radiation
The Fukushima meltdown was the world's worst nuclear accident since Chernobyl in 1986. Around 18,500 people died or disappeared in the quake and tsunami, and more than 160,000 were forced from their homes.
The Fukushima reactor suffered meltdowns after a 9.0 magnitude earthquake and a tsunami in March 2011. (ref)