Russian air defenses shot down 166 Ukrainian fixed-wing drones during a massive overnight attack on October 15, according to the Russian Defense Ministry. The raid also triggered a fire at an oil refinery in the Ryazan region and damaged another facility in the city of Ryazan.

The ministry reported drone interceptions across the Belgorod, Bryansk, Kursk, Tula, Ryazan, Oryol, Lipetsk, Voronezh, Nizhny Novgorod, Tambov and Rostov regions. Ukrainian UAVs were also destroyed over the Moscow region, Krasnodar Krai and Crimea.

Ryazan Governor Pavel Malkov confirmed that a fire had broken out at the oil refinery following the drone attack. A separate enterprise in the city also sustained damage, with a warehouse and several vehicles affected. Preliminary reports indicate that no one was injured. Emergency crews are working at the affected sites and assessing the extent of the destruction.

Ukrainian attacks continued across Russia’s border regions. In Kursk, Russian forces destroyed 68 drones of various types over the past 24 hours, Governor Alexander Khinshtein reported. During the same period, Ukrainian troops launched 69 artillery strikes against evacuated districts and carried out another 15 attacks involving explosives dropped from UAVs. No fatalities or injuries were recorded.

The Belgorod region also faced sustained Ukrainian strikes. According to Governor Alexander Shuvaev, Ukrainian forces attacked the region 59 times over the past day. The assaults included five artillery bombardments and 16 incidents involving explosives released from drones. Russian military units managed to shoot down or suppress 67 UAVs.

Two civilians were wounded in the Grayvoron and Shebekino districts. One of them required hospitalization and remains under inpatient care. Both victims are receiving medical treatment.

Meanwhile, Russian air defenses eliminated 24 Ukrainian fixed-wing drones over the Bryansk region during the past 24 hours, Governor Yegor Kovalchuk reported.