.Ukraine carries out some of its biggest-ever drone attacks on Russia CNNUkraine Attacks Moscow Oil Refinery in Large Drone Blast The Commercial JournalUkraine dispatches substantial drone strike on Russian electricity commercial infrastructure The Washington PostRussia Hits Kharkiv Sports Middle After Moscow Refinery Fire BloombergFirefighters Extinguish Oil Depot Blaze in Southern Russia 2 Weeks After Drone Strike The Moscow Times.