Moscow barreled hundreds of drones toward four key regions in Ukraine overnight, just as lawmakers in Kyiv scrambled to approve additional defense spending against the backdrop of intensified Russian attacks over the past few days.

How Ukraine’s drone-infested front is slowing Russia’s advance - ANALYSIS: The Russia-Ukraine war has become the most drone-intensive conflict yet – and Ukrainian commanders believe they are the only thing keeping Russian forces at bay,

In St Petersburg, operations at Pulkovo Airport were temporarily suspended around 5am, delaying at least ten flights, according to Rosaviatsiya.