MOSCOW: Debris from a Ukrainian drone hit an apartment block northwest of Moscow, injuring seven people as it set off a fire, Russian authorities said Friday.

The night-time attack at Tver, some 180 kilometers from the Russian capital, came amid a heightened drone campaign by Ukraine as peace efforts drag on.

The regional interim governor Vitaly Korolyov said on Telegram that six adults and a child were injured and about 20 people had to be evacuated from the apartment block in the city of more than 400,000 people.

“At Tver, we are battling the consequences of the fall of debris from a drone on a residential building,” he said.

The Tass state news agency said the drone debris set off a fire in one apartment and the windows of several others were smashed.