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 repeatedly shattered its own records for aerial assaults on Ukraine this summer, culminating in a peak attack on July 9 with the launch of 728 Shahed-type drones. Throughout the war, Russia steadily expanded the reach and intensity of its strikes on Ukrainian cities,