.Ukraine performs one of its biggest-ever drone strikes on Russia CNNUkraine Strikes Moscow Oil Refinery in Enormous Drone Barrage The Commercial JournalUkraine launches massive drone assault on Russian electricity commercial infrastructure The Washington PostRussia Strikes Kharkiv Athletics Core After Moscow Refinery Fire BloombergFirefighters Extinguish Oil Depot Blaze in Southern Russia 2 Weeks After Drone Strike The Moscow Times.