Russia struck several regions of Ukraine overnight, officials said, reporting one person killed in Dnipro, while Moscow said two people died after a Ukrainian drone attack in the Rostov region.

Ukraine and Russia attacked targets on each other's territory on Thursday after brief direct talks between the two sides failed to make any progress on steps to end nearly three-and-a-half years of war.

Russia and Ukraine discussed further prisoner swaps on Wednesday at a brief session of peace talks in Istanbul, but the sides remained far apart on ceasefire terms and a possible meeting of their leaders.