.Ukraine accomplishes among its own biggest-ever drone assaults on Russia CNNUkraine Attacks Moscow Oil Refinery in Substantial Drone Surge The Commercial JournalUkraine launches substantial drone strike on Russian power 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.