Ukrainian drone attacks halted two refineries run by Russian oil giant Rosneft. Three of Russia’s six biggest diesel-producing refineries are now sharply reducing output or fully shut down.

Ukrainian drone attacks have halted operations at Rosneft's Syzran and Saratov oil refineries, according to Reuters sources, with Syzran's main crude distillation unit, representing about 71% of its processing capacity, damaged in an overnight strike. Repairs could take at least a month, and a second unit at the plant was already under repair from a July attack.

Reuters estimates that three of Russia's six largest diesel-producing refineries, which together account for roughly half the country's diesel output, have significantly cut production or shut down entirely in September because of the strikes. One plant, Kinef, has stopped completely, while Volgograd and NORSI are running at about a quarter of capacity.

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