An abandoned children’s playground in the Chernobyl Exclusion Zone on February 6, 2022 in Ukraine. Russian continues its military buildup across the border in Belarus, 15 kilometers from the Chernobyl Exclusion Zone. The quickest way to Kyiv from the north is through Belarus, directly through this area, a distance of 120 kilometers. The Chernobyl disaster was a nuclear accident that occurred on 26 April 1986 at the No. 4 reactor in the Chernobyl Nuclear Power Plant, near the city of Pripyat in the north of the Ukrainian SSR in the Soviet Union. It is considered the worst nuclear disaster in history both in cost and casualties.