The Slavyansk oil refinery, which was attacked by drones on April 27, was forced to shut down, according to Russian media. Eduard Trudnev, the security director of the company that operates the Slavyansk refinery, said that the Slavyansk refinery had been partially suspended. “The plant’s operations are partially suspended. Exactly 10 UAVs flew directly into the territory of the refinery, and a strong fire broke out. There may be hidden damage,” Trudnev said. Background According to RBC-Ukraine’s sources, Ukrainian defenders attacked a military airfield and two oil refineries in the Krasnodar …