.Ukraine performs some of its own biggest-ever drone attacks on Russia CNNUkraine Strikes Moscow Oil Refinery in Extensive Drone Assault The Commercial JournalUkraine launches gigantic drone attack on Russian power infrastructure The Washington PostRussia Hits Kharkiv Athletics Middle After Moscow Refinery Fire BloombergFirefighters Extinguish Oil Depot Blaze in Southern Russia 2 Weeks After Drone Strike The Moscow Times.