Former Ukrainian Internal Affairs adviser Anton Gerashchenko, on X: "It is reported that for the first time in history, an F-16 has shot down a Russian Su-35 'Flanker...Thankful to Ukrainian Allies for providing us with the tools!"

The warring sides also exchanged prisoners in one of the few results of talks last week, and Russia reported new attacks on the front line.

As well as 479 drones, 20 missiles of various types were fired at different parts of Ukraine, according to the air force, which said the barrage targeted mainly central and western areas of Ukraine.