Sibur
Sibur is Russia's largest integrated petrochemicals company, processing natural gas and oil by-products into polymers, synthetic rubbers and other chemical products. Founded in Tobolsk in the 1980s as a Soviet state enterprise, it is headquartered in Moscow and is controlled by a consortium of investors closely associated with the Russian leadership.
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Large-scale Ukrainian drone attack strikes Voronezh, killing at least two
A large-scale Ukrainian drone attack hit Voronezh and surrounding areas overnight on October 26, causing fires, infrastructure damage and reported casualties. Russian authorities said two people were killed and 17 injured, while Ukraine's military did not comment on the operation.
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FP-1 drones strike Voronezhsintezkauchuk plant in Voronezh
Ukrainian defence company Fire Point confirmed that its FP-1 drones attacked the Voronezhsintezkauchuk petrochemical plant in Voronezh on 26 October 2026. OSINT analysis indicated probable damage, and smoke was visible above the plant. The strike came during a broader overnight drone attack on Russia's Voronezh region.
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Ukrainian drones hit two Russian oil refineries and defence-linked plants overnight into 25 September
In the night of 24–25 September 2026, Ukrainian drones struck multiple Russian industrial sites far behind the front line. The Lukoil-Permnefteorgsintez refinery in Perm was hit and a fire broke out; the Novoshakhtinsk refinery in Rostov Oblast suspended operations after being damaged; the Iskra microelectronics plant in Ulyanovsk, part of the Almaz-Antey defence concern, was also struck, along with a synthetic-rubber plant in Voronezh. Russia's General Staff of the Armed Forces of Ukraine confirmed the strikes on the two refineries, and President Volodymyr Zelensky publicly acknowledged the attacks.