.Ukraine carries out among its biggest-ever drone strikes on Russia CNNUkraine Attacks Moscow Oil Refinery in Huge Drone Onslaught The Commercial JournalUkraine launches gigantic drone attack on Russian electricity structure The Washington PostRussia Attacks Kharkiv Athletics Core After Moscow Refinery Fire BloombergFirefighters Extinguish Oil Depot Blaze in Southern Russia 2 Weeks After Drone Strike The Moscow Times.