Sirens sounded and an air raid threat was declared as Warsaw announced Polish and allied fighter jets were operating due to Russian drones buzzing border regions of Ukraine.

Russian drones sent into Polish airspace were reportedly heading to a NATO base used to supply Ukraine, it has been revealed.

From Tuesday night to Wednesday morning, Moscow launched a barrage of 450 drones against cities in western Ukraine. Poland registered the incursion of 19 flying devices into its…