.Ukraine accomplishes among its own biggest-ever drone strikes on Russia CNNUkraine Hits Moscow Oil Refinery in Large Drone Barrage The Wall Street JournalUkraine catapults substantial drone assault on Russian electricity infrastructure The Washington PostRussia Attacks Kharkiv Athletics Center After Moscow Refinery Fire BloombergFirefighters Extinguish Oil Depot Blaze in Southern Russia 2 Weeks After Drone Strike The Moscow Times.