.Ukraine accomplishes one of its biggest-ever drone attacks on Russia CNNUkraine Hits Moscow Oil Refinery in Gigantic Drone Onslaught The Wall Street JournalUkraine catapults enormous drone attack on Russian energy commercial infrastructure The Washington PostRussia Hits Kharkiv Athletics Center After Moscow Refinery Fire BloombergFirefighters Extinguish Oil Depot Blaze in Southern Russia 2 Weeks After Drone Strike The Moscow Times.