Russia and Ukraine exchanged large drone attacks on Sunday night into Monday, with alleged Ukrainian UAVs forcing flight restrictions at three Russian airports.

The barrage appeared to be one of the largest recent assaults in Ukraine’s campaign to damage Russia’s war machine on its home territory.

A fire erupted at an oil depot in the town of Uzlovaya in Russia's Tula Oblast following a Ukrainian drone attack on the facility overnight on Jan. 18, regional Governor Dmitry Milyaev said.

The Smolensk Aviation Plant produces the Soviet-designed Su-25 ground attack aircraft, as well as Kh-55 and Kh-59 missiles.

Ukrainian drones attacked key military facilities in Russia, including the Smolensk Aviation Plant and a refinery. The information was provided by the General Staff in Kyiv. Ukrainian drones conducted attacks on strategic targets in Russia,

Ukrainian drones attacked key military facilities in Russia, including the Smolensk Aviation Plant and a refinery. This information was provided by the General Staff in Kyiv. Ukrainian drones conducted attacks on strategic targets in Russia,

"At 11:18, a strike was recorded in the Shevchenkivskyi district," Synehubov wrote. Read also: Russian forces attack civilian infrastructure in Kharkiv Oblast The attack involved a Shahed kamikaze drone.

An attack has reportedly targeted the Smolensk Aircraft Plant.

Ukraine used long-range drones to attack the Kazan Aviation Production Association named after S.P. Gorbunov (KAPO) in Tatarstan. These plants manufacture Russian Tu-160M strategic bombers and Tu-214 passenger planes.