The warring sides also exchanged prisoners in one of the few results of talks last week, and Russia reported new attacks on the front line.

Most of the drones and missiles were intercepted, according to the Ukrainian Air Force, and there were no immediate reports of widespread damage.

Following Ukraine’s successful “Operation Spider’s Web” drone strike on Russian bomber bases, Russia retaliated over the weekend (June 6-8) with what Ukraine calls “the largest air assault of the war,