Three oil refineries in Russia have partially halted operations due to sanctions that have hindered their ability to complete repairs, according to the Foreign Intelligence Service. The intelligence agency stated that the shutdown of these refineries would negatively impact domestic oil refining volumes, complicate the fulfillment of export obligations, worsen the fuel supply situation on the domestic market, and increase costs related to maintenance and modernization of the facilities. During the shutdown, the refining capacity is expected to drop to 1.8-2 million tons monthly. The Foreign In…