乌消息人士称打击俄彼尔姆边疆区一化工厂

Group 1 - Ukrainian drones targeted a chemical plant in Russia's Perm Krai on September 13, according to sources from the Ukrainian Defense Ministry's intelligence agency [1] - Preliminary reports indicate that production equipment at the chemical plant has been damaged [2] - On September 14, Ukrainian forces also attacked the "Kirishi" oil refinery in Russia's Leningrad region, which is one of the largest refineries in Russia [2] Group 2 - The governor of Leningrad region, Drozdienko, stated that Russian air defense forces intercepted three drones, with one drone's wreckage causing a fire at the refinery [2] - The fire at the refinery has been extinguished, and there were no casualties reported [2]