Russia's air-defense systems destroyed several drones as they approached the Ilsky oil refinery in the Krasnodar region near the Black Sea, local officials said on May 28. "Several unmanned aerial vehicles tried to approach the territory of the Ilsky oil refinery in the Krasnodar Krai," the region's emergency officials said on Telegram. "All of them were neutralized, the infrastructure of the plant was not damaged." The officials did not say who launched the attack. Reuters was not able to independently verify the report. To read the original story by Reuters, click here.