Ukrainian drones strike one of Russia's biggest oil refineries for the second time in three days, aiming to slow Russian army's advance. Ukraine develops own arms industry including long-range drones. Russian military claims to have destroyed 70 Ukrainian drones over six Russian regions.
Key Points
Ukrainian drones targeted Volgograd refinery and Astrakhan plant
Ukraine aiming to disrupt Russian operations behind the front lines
Russian military claims to have destroyed 70 Ukrainian drones