President Volodymyr Zelensky of Ukraine called the damage “significant” but said there were no signs of radiation leaks. A Kremlin spokesman denied that Russia had carried out the strike.

A drone armed with a warhead hit the protective outer shell of Ukraine's Chernobyl nuclear plant early Friday, punching a hole in the structure and briefly starting a fire, in an attack Kyiv blamed on Russia.

A Russian drone struck the former nuclear power plant at Chernobyl in an attack overnight into Friday, Ukrainian President Volodymyr Zelensky has said.

The Kremlin on Friday denied an accusation from Ukraine that a Russian drone had struck the Chernobyl nuclear power plant. Why it matters: Ukraine and the International Atomic Energy Agency (IAEA) said radiation levels remained stable despite the explosion at the plant.

Adi Roche of Chernobyl Children International is calling for Chernobyl and all Nuclear Power Plants to be declared ‘No War Zones.'

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