Ukrainian drone strikes have heightened anxiety across Moscow ahead of this year’s May 9 parade on Red Square, where President Vladimir Putin will be watching with other leaders.

Russia on Friday paraded combat drones that its forces use in the war in Ukraine on Moscow's Red Square in what state TV said was a first. President Vladimir Putin, Chinese President Xi Jinping and more than two dozen other foreign leaders looked on as various truck-mounted Russian-made drones were driven across the vast square on their launchers,