The long-range Russian drones come in swarms each night, buzzing over Ukraine by the hundreds, terrorizing the population and attacking targets from the industrial east to areas near its western border with Poland.

It is thought Russia's modifications and increased domestic production of the Shahed drones is having a significant impact on the frontline.

New waves of deadly Russian missiles pounded Ukraine overnight Sunday while long range drone attacks by Kyiv sparked travel chaos at Moscow’s airports.