.Ukraine carries out some of its own biggest-ever drone strikes on Russia CNNUkraine Strikes Moscow Oil Refinery in Substantial Drone Assault The Exchange JournalUkraine launches massive drone attack on Russian electricity facilities The Washington PostRussia Attacks Kharkiv Athletics Midpoint After Moscow Refinery Fire BloombergFirefighters Extinguish Oil Depot Blaze in Southern Russia 2 Weeks After Drone Strike The Moscow Moments.