.Ukraine accomplishes some of its own biggest-ever drone assaults on Russia CNNUkraine Hits Moscow Oil Refinery in Huge Drone Barrage The Commercial JournalUkraine launches substantial drone attack on Russian energy framework The Washington PostRussia Hits Kharkiv Athletics Middle After Moscow Refinery Fire BloombergFirefighters Extinguish Oil Depot Blaze in Southern Russia 2 Weeks After Drone Strike The Moscow Moments.