Russia claimed Sunday that its forces are for the first time pushing into the central Ukrainian region of Dnipropetrovsk, an area it has been trying to reach for months, in a move that could create new problems for Kyiv’s much-stretched forces.

Russia claims Ukraine indefinitely postponed the release while Kyiv maintains it has been delayed until next week.

A still image from a video released by Russia's Defence Ministry shows what it said to be a lorry with bodies of Ukrainian service members to be handed over to Ukraine in