.Ukraine accomplishes some of its own biggest-ever drone assaults on Russia CNNUkraine Hits Moscow Oil Refinery in Gigantic Drone Assault The Stock market JournalUkraine dispatches large drone strike on Russian power structure The Washington PostRussia Attacks Kharkiv Athletics Center After Moscow Refinery Fire BloombergFirefighters Extinguish Oil Depot Blaze in Southern Russia 2 Weeks After Drone Strike The Moscow Moments.