Russian forces staged huge drone attacks on eastern Ukraine late on Tuesday, triggering fires and injuring at least 22 people, regional officials said.

Russia launched a barrage of drones in an overnight attack on Ukraine on Friday, killing at least four people and injuring 35 in the northeastern city of Kharkiv, regional officials said.

For the first time on record, a Ukrainian Avenger air defense unit took down a Russian drone using an M2 Browning heavy ...