.Ukraine carries out one of its biggest-ever drone strikes on Russia CNNUkraine Hits Moscow Oil Refinery in Gigantic Drone Onslaught The Exchange JournalUkraine launches enormous drone attack on Russian energy commercial infrastructure 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 Moments.