A fire broke out at a nuclear facility after Russian military shot down a Ukrainian drone in Kursk in western Russia on Sunday night.
The drone detonated in connection with the shooting down and damaged a helper transformer, writes the facility's press department on Telegram.
The fire could be extinguished and no deaths have been reported. The radiation level in the area is said to be unchanged but parts of the facility have gone down to 50 percent capacity.
Ukraine has not commented on the incident.