The altitude and speed at which the drones fly makes them far more difficult to shoot down, requiring increasingly scarce higher-performance SAMs.

A Russian drone and missile attack on Ukraine’s capital has killed at least six people, including a six-year-old boy, according to Ukrainian President Volodymyr Zelenskyy and other officials.

Russia fired 309 Shahed and decoy drones, and eight Iskander-K cruise missiles overnight, the Ukrainian air force said.