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.

Russia launched a large-scale aerial attack on Ukraine, deploying 157 drones and four S-300 surface-to-air missiles from the Kursk region, reports the Ukrainian Air Force. Russia fired drones, both strike UAVs and decoy drones,