Ukrainian drone strikes have raised anxiety across Moscow ahead of this year’s May 9 parade on Red Square, which Vladimir Putin will watch with other leaders.

Russian air defence forces downed 12 Ukrainian drones flying towards Moscow, the city's mayor, Sergei Sobyanin, said on Wednesday. Sobyanin, in a series of posts over four hours on the Telegram messaging app,

The Kremlin claimed it shot down a record 524 drones on Wednesday as world leaders travel to Moscow for Russia's vaunted WWII Victory Day parade.