.Ukraine accomplishes one of its biggest-ever drone assaults on Russia CNNUkraine Attacks Moscow Oil Refinery in Huge Drone Onslaught The Exchange JournalUkraine launches extensive drone assault on Russian power commercial infrastructure The Washington PostRussia Hits Kharkiv Sports Midpoint After Moscow Refinery Fire BloombergFirefighters Extinguish Oil Depot Blaze in Southern Russia 2 Weeks After Drone Strike The Moscow Moments.