.Ukraine accomplishes one of its own biggest-ever drone strikes on Russia CNNUkraine Hits Moscow Oil Refinery in Extensive Drone Torrent The Commercial JournalUkraine launches substantial drone attack on Russian power 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 Moments.