You're reading: CNN: After Chornobyl, they refused to leave

On April 26, 1986, the Chernobyl Nuclear Power Plant's reactor No. 4 blew up after a cooling capability test, and the resulting nuclear fire lasted 10 days, spewing 400 times as much radiation as the bomb dropped on Hiroshima. To date, it's the world's worst nuclear accident. The 2011 Fukushima meltdown, of course, is still playing out -- but actually, so is Chernobyl.

Nearly 28 years after the disaster, Reactor No. 4 simmers under its “sarcophagus,” a concrete and metal cover hastily built after the accident. It’s now cracked, rusted and leaking radiation. A partial roof collapse last February sent reverberations of fear throughout the world. As well it should have. With 200 tons of lava-like radioactive material still below the reactor, and the “New Safe Confinement” aimed at containing and protecting it not scheduled for completion till 2015 (already 15 years overdue) this story of nuclear disaster is in its early chapters.

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