April marks the 40th anniversary of the Chernobyl nuclear power plant disaster. Find out more about what happened and the effects of the explosion here.

(April 26), a safety test at the Chernobyl Power Plant in Ukraine set off two explosions, triggering the world’s biggest nuclear disaster. However, it could have been worse had it not been for the ...

Concrete crumbling like sand, their faces burning red from the radiation. Sky News speaks to Chernobyl workers who did everything they could to prevent a second explosion forty years ago.

We go deep inside the Chernobyl nuclear-power plant and the surrounding exclusion zone, recounting the history of the accident on April 26 1986, and speaking with plant workers who were on shift that ...