.Ukraine executes some of its biggest-ever drone attacks on Russia CNNUkraine Hits Moscow Oil Refinery in Gigantic Drone Surge The Exchange JournalUkraine dispatches massive drone strike on Russian electricity structure The Washington PostRussia Strikes Kharkiv Athletics Center After Moscow Refinery Fire BloombergFirefighters Extinguish Oil Depot Blaze in Southern Russia 2 Weeks After Drone Strike The Moscow Times.