The Azov Battalion is a volunteer militia based in Mariupol, Ukraine that is allegedly linked to neo-Nazism. The fighters have been very active during the crisis in eastern Ukraine, carrying out nightly patrols around the city and manning checkpoints. VICE News correspondent Simon Ostrovsky embeds with the battalion while they train and conduct a patrol, then watches as they retreat from their outposts when pro-Russia separatists began firing artillery toward the city.