A Russian drone has hit the protective shelter over Chernobyl's damaged nuclear reactor, Ukrainian President Volodymyr Zelensky has said. The overnight strike at the site of the world's worst nuclear accident caused a fire that has since been extinguished, he added.

Russia's drone strike on the protective shelter over Chernobyl has sparked concern among experts, who warn that damaging it could 'pose a significant risk'.

Chernobyl's radiation shelter has been allegedly hit by a Russian drone, according to claims made by Ukrainian President Volodymyr Zelensky. Here's a brief history of why Chernobyl remains one of the