.Ukraine executes among its own biggest-ever drone assaults on Russia CNNUkraine Strikes Moscow Oil Refinery in Extensive Drone Blast The Wall Street JournalUkraine dispatches massive drone strike on Russian power structure 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.