Two people have been killed in the Russian bombing of a school in the Ukrainian village of Bilohorivka and 60 who remained under debris are feared dead, Serhiy Gaidai, governor of the Luhansk region, said on Sunday.

Gaidai said Russia dropped a bomb on Saturday afternoon on the school where about 90 people were sheltering. Thirty people have been rescued.

"Seven of them were injured," Gaidai wrote on wrote in a post on the Telegram messaging app. "Sixty people were likely to have died under the rubble of buildings."

(Reporting in Melbourne by Lidia Kelly; Editing by Christian Schmollinger)