The BBC’s Will Vernon was able to verify the video after speaking to locals of Staryi Oskol in the Belgorod region, including a woman who was there when the video was filmed. The video is shared on the social networking app Telegram. Russia has begun implementing plans to call up reservists to fight in Ukraine after setbacks there. President Vladimir Putin ordered the mobilization of 300,000 more Russians with military experience, sparking protests across the country on Wednesday.