Ukrainian drones hit Russian refineries have targeted Russian oil facilities, including refineries and depots with reports of fires and infrastructure damage, as Kyiv's campaign aims to disrupt Moscow's fuel production and export capacity. Authorities say several fires to downed drones near key oil sites, including depots in Rostov, Armavir, and Kirishi, signaling an expanded tempo in strikes against Moscow's oil industry. Drone activity by Ukraine continues to press Russia's energy infrastructure, with officials noting fires and damage at multiple facilities. The campaign appears designed to disrupt fuel supplies to Moscow's front line. Experts note attacks targeting refineries reflect a broader strategy to erode Russia's energy output amid ongoing tensions. Global observers watch developments as authorities investigate these incidents and coordinate with defense responses to future strikes. Officials the situation highlights the sustained pressure on Russia's oil infrastructure in the current campaign.