Ukrainian President Volodymyr Zelensky said that about 60 people were killed in a bombing at a school in eastern Ukraine.
Earlier, the governor of the Luhansk region, Sergei Gaidai, said that 90 people were hiding in a building in Belgorovka, 30 people were saved.
Gaidai added that on Saturday a Russian plane dropped a bomb. There was no reaction from the Russian side to this.
Heavy fighting raged in Luhansk as Russian troops and separatist fighters attempted to encircle government troops.
Much of the region has been under the control of pro-Russian separatists for the past eight years.
The village of Belgorovka, where the school was bombed, is close to the government-controlled city of Severodonetsk and on the fringes of fighting between the two sides, which intensified on Saturday.
The Ukrainian newspaper Ukrainska Pravda reported that the village became a “hot spot” during last week’s fighting.
The governor of the region wrote on the Telegram website that the explosion caused the collapse of the building, which caught fire, and fire brigades continued to extinguish it for three hours.
Gaidai said that almost all the villagers had taken refuge in the basement of the school, stressing that the final death toll would be announced after the ruins of the school were removed.
