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 large-scale prisoner exchange between Russia and Ukraine -- the only concrete outcome of peace talks -- was thrown into doubt Saturday after Moscow and Kyiv accused each other of

The eastern Ukrainian city of Kharkiv was hit by a Russian glide bomb attack on Saturday, after suffering heavy Russian airstrikes earlier in the day. A 30-year-old woman was killed, Kharkiv's military governor,