Ukraine has denied Russian claims that it had delayed a planned exchange of prisoners of war (POWs) and the bodies of fallen soldiers, reportedly scheduled for June 7-8. Ukrainian and Russian delegations agreed to conduct a major swap,

Moscow has accused Kyiv of "postponing" the swap, while Ukraine said Russia was playing "dirty games." Meanwhile, Russia has pummelled Ukraine's Kharkiv in a massive overnight attack. Follow DW for more.

This hold-up to an exchange that both sides said would take place this weekend came hours Moscow's army launched a barrage of missiles, drones and bombs across Ukraine.