A Barrie police officer is now facing assault charges following a violent arrest that was caught on video and subsequently posted to social media.

The video shows the arrest of a 20-year-old man on Dunlop Street on the afternoon of Feb. 4.

In it, the officer can be seen hitting the man on the head with what appears to be a Taser as he pins him to the ground and threatens to “"light [him] up.” He then slams the man’s head into the pavement as he flips him onto his stomach.