Overview
- Regional officials in Bashkortostan report two drone strikes on a Sterlitamak petrochemical complex, triggering an explosion and three fires.
 - The Sterlitamak city administration says a water-treatment facility at the complex was partially destroyed, with no deaths or injuries reported.
 - A fire was reported in an industrial facility near Lukoil’s Kstovo refinery in the Nizhny Novgorod region, a major gasoline production hub.
 - Russia’s Defence Ministry says air defenses downed 85 Ukrainian drones overnight, and authorities have pledged stronger protection for energy infrastructure.
 - Reporting points to limits on gasoline and diesel exports after the blasts, while the overall damage and longer-term impact remain unverified.