Ukrainian officials reported Russian attacks on critical infrastructure in the west of Ukraine, bordering Poland.

Russia launched 537 drones and missiles into Ukraine overnight into Sunday morning, according to Ukraine's air force, with a Ukrainian F-16 fighter jet and its pilot also reported lost during efforts to repel the attack.

A Ukrainian F-16 supersonic fighter supplied by the West was shot down with the loss of a “hero” pilot amid a desperate operation to counter 500-plus strikes by Vladimir Putin’s forces