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

Russia on Saturday accused Ukraine of postponing a large-scale exchange of captured soldiers, hours after Moscow's army launched a barrage of missiles, drones and bombs across the country.The Ukrainian air force said Russia had fired 206 drones and nine missiles in the overnight barrage.

A large Russian drone-and-missile attack targeted Ukraine’s eastern city of Kharkiv on Saturday, killing at least three

Russia bombarded Ukraine’s second-largest city with massive strikes in the early hours of Saturday, its mayor said, one night after Moscow carried out one of the war’s largest aerial assaults on Ukraine.