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.

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.

On 26 April 1986, a reactor at the Chernobyl nuclear power station in Ukraine exploded ...

Nikolay Solovyov was on shift the night of April 26, 1986 when the Chernobyl nuclear power plant exploded. Instead of fleeing, he chose to fight his “first war” against radiation.

In this 1986 photo, a Chernobyl nuclear power plant worker holding a dosimeter to measure radiation level is seen against the background of a sarcophagus under construction over the 4th destroyed ...

Sergei Belyakov was one of the brave volunteers who shovelled radioative debris scattered by the explosion back into reactor number four.

Radiation is an odourless, invisible killer, with the potential to surge through the body and tear it apart on a cellular level, irreversibly damaging DNA. When reactor number four at the Chernobyl ...