.Ukraine performs some of its own biggest-ever drone attacks on Russia CNNUkraine Hits Moscow Oil Refinery in Massive Drone Surge The Wall Street JournalUkraine dispatches gigantic drone strike on Russian power structure The Washington PostRussia Attacks Kharkiv Athletics Midpoint After Moscow Refinery Fire BloombergFirefighters Extinguish Oil Depot Blaze in Southern Russia 2 Weeks After Drone Strike The Moscow Times.