Hours later, Russia launched a glide bomb and a drone at the front-line town of Kostyantynivka in eastern Ukraine, killing four civilians and injuring a fifth, the prosecutor’s office said. The drone struck a car in which a married couple were travelling, killing the 39-year-old woman and 40-year-old man on the spot, it said.

Russia launched 550 drones and missiles across Ukraine overnight in the largest aerial assault since the war began. The capital Kyiv was the primary target.

Waves of drone and missile attacks targeted Kyiv overnight into Friday in the largest aerial attack since Russia's invasion of Ukraine began more than three years ago, injuring 23 people and inflicting severe damage across multiple districts of the capital in a seven-hour onslaught.