.Ukraine performs among its biggest-ever drone assaults on Russia CNNUkraine Attacks Moscow Oil Refinery in Huge Drone Onslaught The Exchange JournalUkraine dispatches huge drone assault on Russian electricity facilities The Washington PostRussia Attacks Kharkiv Sports Middle After Moscow Refinery Fire BloombergFirefighters Extinguish Oil Depot Blaze in Southern Russia 2 Weeks After Drone Strike The Moscow Times.