Nighttime assaults on the Ukrainian capital of Kyiv have intensified in the fourth year of Russia's full-scale invasion, with the number of drones sometimes exceeding 700. Swarms of 1,000 drones could soon become the norm,

Russia pounded Ukraine's capital with another major missile and drone attack overnight into Thursday, killing at least two people and causing fires across Kyiv a day after the heaviest drone attack so far in the more than three-year war,