A photograph shared in a group chat shows two men dressed in civilian clothing walking out of a house in downtown Pokrovsk, eastern Ukraine. “Watch out, these are Russians,” the message reads, in a warning to other members of Ukraine’s 25th Separate Airborne Brigade. For weeks now, these war-battered Ukrainian soldiers stationed in the city have not only been attacked by Russian drones but also Vladimir Putin’s troops disguised as civilians. Russian forces are using this new tactic to