.Ukraine performs among its own biggest-ever drone strikes on Russia CNNUkraine Hits Moscow Oil Refinery in Enormous Drone Surge The Commercial JournalUkraine dispatches enormous drone attack on Russian power commercial infrastructure The Washington PostRussia Strikes Kharkiv Sports Middle After Moscow Refinery Fire BloombergFirefighters Extinguish Oil Depot Blaze in Southern Russia 2 Weeks After Drone Strike The Moscow Times.