Ukraine sent dozens of its own citizens to Russia last month, releasing them from prisons in an attempt to secure the release of dozens of Ukrainian civilians held illegally in Russian jails – a move

Russia and Ukraine held a second round of peace talks where they agreed to exchange more prisoners and to return the bodies of 12,000 dead soldiers.

A Russian defense official Sunday said trains carrying the remains of Ukrainian soldiers would be dispatched to an area near the Ukrainian border, stepping up tensions over a prisoner swap between Moscow and Kyiv.