Russia launched a major attack on the Ukrainian capital Kyiv and killed at least 13 people in strikes across the country as the two sides released hundreds more prisoners on the second day of a major prisoner exchange.

Russia and Ukraine have exchanged hundreds more prisoners as part of a major swap after an overnight attack on the Ukrainian capital that injured at least 15.

A massive Russian drone and missile attack on Kyiv Saturday wounded at least 15 people, just as Russia and Ukraine were in the middle of a major prisoner swap.