The hourslong raids, involving hundreds of drones, were a reminder that any diplomatic resolution to the conflict remains far off.

A massive Russian drone and missile attack on Kyiv Saturday wounded at least 15 people, even as Russia and Ukraine continued the biggest prisoner swap since the start of Moscow's invasion.Ukraine's air force said Russia launched 14 ballistic missiles and 250 attack drones overnight,

Russia and Ukraine began a major prisoner exchange Friday, swapping hundreds of soldiers and civilians in the first phase of an exchange that was a moment of cooperation in otherwise failed efforts to reach a ceasefire in the 3-year-old war.