In the Krasnodar region of Russia, explosions were heard overnight into May 2 in the area of the Afipsky settlement, where an oil refinery is located. The cause was reportedly a drone attack on this facility and the operation of air defense systems, according to the Russian Telegram channel Shot. It is reported that there were three explosions in total, and residents heard the distinctive sound of engines, likely drones, flying in the sky. It is claimed that the drones were flying towards the oil refinery but were shot down by air defense systems on approach to it, allegedly crashing several k…