Drone debris also fell on the grounds of a facility in Alekseyevka in the Belgorod Region, causing a building and the equipment inside it to catch fire MOSCOW, June 2. /TASS/. Air defenses downed 148 Ukrainian drones over Russia in the past night, the Defense Ministry reported. The Ukrainian drone attack caused a fire at the Ilsky oil refinery in the Krasnodar Region. In addition, drone debris fell on the grounds of a facility in Alekseyevka in the Belgorod Region, causing a building and the