Ukrainian forces previously struck the Novokuybyshevsk oil refinery on August 22, 2026, and on April 18, 2026, forcing a temporary suspension of primary crude distillation units.

From the articleUkrainian Drones Hit Russian Military Food Supplier, Oil Refinery in Overnight AttacksAlso in Drone attack reported at Russia's Novokuibyshevsk oil refinery, Massive fires engulf Russian oil refinery after reported Ukrainian drone swarm attack