A Ukrainian F-16 pilot was killed intercepting Russian aerial attacks overnight, Kyiv's air force said, in what a Ukrainian official described as the largest-scale air attacks on his country since the start of the war.

A Ukrainian pilot was killed and his F-16 fighter jet crashed as after Russia launched a huge aerial assault involving hundreds of drones and scores of missiles overnight, the Ukrainian military said on Sunday.

A Ukrainian F-16 fighter pilot was killed while repelling a Russian attack that involved hundreds of drones, cruise and ballistic missiles, authorities said on Sunday, as Moscow intensifies night time air barrages in the fourth year of war.