Russia and Ukraine exchanged an unreported number of prisoners of war on Saturday during the fourth such exchange during the week.

Ukraine said on Friday it had received the bodies of 1,200 Ukrainian soldiers killed in the war with Russia as part of agreements to exchange both prisoners of war and the dead. "According to the Russian side,

Ukrainian officials say Ukraine has repatriated another 1,200 bodies in line with an agreement reached during peace talks in Istanbul between Russian and Ukrainian delegations.