Sri Lanka, June 10 -- Russia's civil aviation authority, Rosaviatsia, has temporarily halted flights at all four major airports in Moscow for safety reasons, following reports of a Ukrainian drone attack.

Russian defence systems shot down 76 Ukrainian drones in just two hours late Monday, according to local reports.

The incident comes after Russia carried out its largest drone strike on Ukraine.

On Monday night, Russia launched its biggest drone attack since the war began, according to Ukraine's air force. Moscow also fired cruise and ballistic missiles in a widespread assault across several parts of Ukraine.

Ukraine's air force said Russian forces launched 479 self-destructing drones, but Ukrainian defences managed to shoot down or j...