A Ukrainian F-16 pilot died overnight Sunday during one of Russia's largest attacks since the invasion in 2022 that included several hundred drones and missiles, Ukraine's Air Force said.

A Ukrainian F-16 fighter pilot died in a crash while repelling a Russian air 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.

Russian Su-34s are the main aircraft Russia uses to launch missile and bomb strikes on Ukrainian positions and settlements. As of Saturday, 37 Russian Su-34s and 158 aircraft in total had been destroyed or damaged since February 2022 according to Oryx, a website tracking war losses by using imagery as proof.