Ukrainian drones hit Russian refineries have hit 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, such as depots in Rostov, Armavir, and the Kirishi region, signaling an expanded tempo in strikes against Moscow's oil industry. Drone activity by Ukraine continues to challenge Russia's energy infrastructure, as officials note fires and damage at multiple facilities. The campaign appears designed to disrupt fuel supplies to Moscow's front line. Experts say 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 say the situation highlights the sustained pressure on Russia's oil infrastructure in the current campaign.