.Ukraine performs one of its own biggest-ever drone assaults on Russia CNNUkraine Hits Moscow Oil Refinery in Extensive Drone Blast The Stock market JournalUkraine launches substantial drone assault on Russian power facilities The Washington PostRussia Strikes Kharkiv Athletics Core After Moscow Refinery Fire BloombergFirefighters Extinguish Oil Depot Blaze in Southern Russia 2 Weeks After Drone Strike The Moscow Moments.