At least seven people were killed after Russia launched a barrage of drones across Ukraine overnight on Sunday, according to local Ukrainian officials and emergency services.

The assault underscored the deep mistrust between Russia and Ukraine. U.S.-mediated talks about a partial cease-fire were set to begin in Saudi Arabia later on Sunday.

Kyiv hit by massive Russian drone strike, 3 dead including a 5-year-old girl and her father Russian attacks on Kyiv 'undermine peace efforts,' Sybiha says China considering joining Ukraine peacekeeping mission,