https://kyivindependent.com/ukrainian-drones-reportedly-strikes-russias-ryazan-oil-refinery/
Ukrainian drones score 'successful hit' on Russia's Ryazan Oil Refinery, General...
ukrainian dronesscorehit
https://kyivindependent.com/russias-syzran-oil-refinery-under-attack-by-ukrainian-drones-media-reports/
Ukrainian drones struck Russia's Syzran Oil Refinery, General Staff confirms
Dec 28, 2025 - The refinery was attacked multiple times in the night, residents claimed. An electrical substation in Syzran was also hit, causing blackouts in the city.
oil refinery generalukrainian