Ukraine said it struck a Russian air base on Saturday, while Russia continued to attack Ukraine with hundreds of drones overnight as part of a stepped-up bombing campaign that has dashed hopes for a breakthrough in efforts to end the more than 3-year-old war.

The drones were launched from Oryol, Millerovo, and Primorsko-Akhtarsk in Russia. Air defense operated in the eastern and southern oblasts. Read also: Russia can not sustain nightly swarms of 500 drones — Budanov The Air Force data indicated that 22 drones were shot down by direct fire means,

The overnight attack was one of the largest on Ukraine and included strikes in the western part of the country, which is hit less often.