Apparently the results from that poling station were annulled and the members of that local election commission were fired. Not sure this is proof of any widespread voter fraud in Russia.
The video in the social media posts is CCTV footage taken in Lyubertsy in the Moscow Region of Russia in March 2018 during the Russian presidential election. After the video circulated online, election results from that polling station were annulled and the chairman of the local election commission and a member of the election commission were fired, according to the Washington Post.
https://www.reuters.com/article/idUSKBN27Q21J/
edit: also getting down voted for asking for a source is hilarious 🤣
Disgusting