.Ukraine performs among its own biggest-ever drone assaults on Russia CNNUkraine Hits Moscow Oil Refinery in Large Drone Plethora The Commercial JournalUkraine launches extensive drone attack on Russian electricity framework The Washington PostRussia Strikes Kharkiv Sports Middle After Moscow Refinery Fire BloombergFirefighters Extinguish Oil Depot Blaze in Southern Russia 2 Weeks After Drone Strike The Moscow Times.