.Ukraine executes among its biggest-ever drone strikes on Russia CNNUkraine Attacks Moscow Oil Refinery in Extensive Drone Onslaught The Commercial JournalUkraine dispatches enormous drone assault on Russian energy structure The Washington PostRussia Strikes Kharkiv Sports Middle After Moscow Refinery Fire BloombergFirefighters Extinguish Oil Depot Blaze in Southern Russia 2 Weeks After Drone Strike The Moscow Moments.