Russia and Ukraine have exchanged hundreds more prisoners as part of a major swap that amounted to a moment of cooperation in otherwise failed efforts to reach a ceasefire.

Ukraine’s capital Kyiv came under a large-scale Russian drone and missile attack overnight into Saturday, just hours after Russia and Ukraine began a major prisoner exchange.

At least 14 people have been injured in a major Russian missile and drone attack on Kyiv, city authorities say. Russia launched 250 drones and 14 ballistic missiles against Kyiv, Ukraine's air force said,