Russia launched a massive attack on Ukraine overnight into Saturday with hundreds of drones, killing at least one person, part of a stepped-up bombing campaign that has dashed hopes for a breakthrough in efforts to end the more than 3-year-old war.

Russia has launched a massive overnight drone and missile attack on Ukraine, killing at least one person in Odesa.

The attack damaged critical infrastructure in Sumy, where several thousand families suffered power cuts, Zelenskiy said.