Ukrainian forces struck the Kirishi Petroleum Organic Synthesis (Kinef) oil refinery in the city of Kirishi, located in Russia's Leningrad Oblast, overnight on March 26, the General Staff confirmed. The reported strikes come one night after Ukraine launched a mass overnight attack on March 25, hitting an energy terminal in the Baltic Sea port of Ust-Luga and a Russian military icebreaker in the port of Vyborg. A fire broke out at the facility after flames engulfed the crude oil processing units and two storage tanks, the General Staff said. The General Staff reported on March 27 that "key units" at the Kirishi facility had been damaged, including the ELOU-AVT-2 and ELOU-AVT-6 primary oil refining units, as well as production facilities for petroleum bitumen, the heaviest residue from crude oil processing. Other parts of the refinery reportedly affected include key crude oil processing units and gas fractionation units, which are used to separate light gases after crude oil is refin...