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.

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.