.Ukraine accomplishes some of its own biggest-ever drone attacks on Russia CNNUkraine Hits Moscow Oil Refinery in Substantial Drone Assault The Exchange JournalUkraine launches massive drone strike on Russian energy commercial infrastructure The Washington PostRussia Hits Kharkiv Athletics Core After Moscow Refinery Fire BloombergFirefighters Extinguish Oil Depot Blaze in Southern Russia 2 Weeks After Drone Strike The Moscow Times.