An aerial view shows a forest fire in the 30 km exclusion zone around the Chernobyl nuclear power plant, Ukraine, April 12, 2020, in this still picture taken from video. Video taken April 12, 2020. (Photo/Agencies)
Burned trees are seen in the settlement of Poliske after a forest fire in the 30 km exclusion zone around the Chernobyl nuclear power plant, Ukraine April 12, 2020. (Photo/Agencies)
A geiger counter measures a radiation level at a site of fire burning in the exclusion zone around the Chernobyl nuclear power plant, outside the village of Rahivka, Ukraine April 5, 2020. (Photo/Agencies)
A view shows burned bushes and grass after a forest fire outside the settlement of Poliske located in the 30 km (19 miles) exclusion zone around the Chernobyl nuclear power plant, Ukraine April 12, 2020. (Photo/Agencies)
Firefighters work on extinguishing a forest fire as a sign reading "Chernobyl" is seen on a road covered in smoke, in Chernobyl, Ukraine April 10, 2020, in this picture obtained from social media. (Photo/Agencies)
Burned trees are seen after a forest fire outside the settlement of Poliske located in the 30 km exclusion zone around the Chernobyl nuclear power plant, Ukraine April 12, 2020. (Photo/Agencies)