Authorities in Russia report that two people are killed after what are described as Ukrainian drone strikes hit the city of Syzran in the Samara region early Thursday. Multiple outlets say the attack targets a Rosneft-operated oil refinery. Russian reporting describes a major fire at the facility following the strike and attributes the incident to drones. Kyiv Post adds that the May 21 incident involves damage and a large fire at the Rosneft site and reports casualties, presenting it as part of Ukraine’s broader campaign against Russian energy infrastructure. The outlet also links the attack to a wider pattern of recent incidents involving oil refineries and says such strikes have disrupted refining capacity and fuel processing in Russia in recent weeks. The reports do not provide additional details beyond the immediate fire and the reported deaths, and they do not specify responsibility beyond the attribution to Ukrainian drones. Overall, sources agree on the location, the Rosneft refinery involvement, the reported fire, and the reported fatalities, while emphasizing the geopolitical framing around targeting energy assets.