.Ukraine performs among its own biggest-ever drone assaults on Russia CNNUkraine Attacks Moscow Oil Refinery in Massive Drone Barrage The Wall Street JournalUkraine dispatches extensive drone assault on Russian energy facilities The Washington PostRussia Attacks Kharkiv Sports Midpoint After Moscow Refinery Fire BloombergFirefighters Extinguish Oil Depot Blaze in Southern Russia 2 Weeks After Drone Strike The Moscow Moments.