At least 65 people, including children, have been injured in the strike, officials say, as US-Russia discussions focus on a Black Sea deal.

Now that they are back in their native city near the border with Russia, their days are often filled with the din of drones and the threat of missile strikes. On Monday, the apartment block where they live was damaged in a missile strike which officials said wounded 101 people including 23 children.

A Russian missile strike damaged a school and a hospital in Ukraine on Monday, wounding at least 74 people, as U.S. and Russian officials discussed a narrow proposal for a ceasefire at sea in the hope it could lead to wider peace talks.