Russia launched its largest aerial assault of its three-year war on Ukraine overnight, targeting the capital and other regions with missiles and drones for a second night in a row, even as the two sides prepared to conclude a major prisoner exchange.

The Ukrainian and Russian militaries exchanged massive air strikes overnight Saturday, even amid a planned swap of some 303 prisoners of war from each side.

Former CIA station chief and Fox News contributor Dan Hoffman discusses Ukraine and Russia exchanging prisoners amid new strikes, the waiving of sanctions on Syria and talks between the U.S. and Iran.

The first direct Ukraine-Russia talks did not deliver a ceasefire but it did result in the largest prisoner swap of the war. CHERNIHIV REGION, Ukraine — For hours Friday, a crowd of hopefuls stood on the roadside wrapped in blue-and-yellow flags and clutching photos of captured Ukrainian soldiers — their eyes peeled for any sign of buses.