Russia on Saturday launched its largest drone attack against Ukraine’s capital of Kyiv since the start of its invasion, according to local officials.

Russia attacked central and westernUkraine with 17 Shahed kamikaze drones, 10 of which were successfully downed by Ukrainian air defense, and eastern Ukraine with six S-300 missiles in the early hours of Dec.

Ukrainian military officials say Russia has launched its most intense drone attack on Ukraine since the beginning of its full-scale invasion last year.