Port Moody Police say they're investigating after one of their officers wrestled a man to the ground at the Golden Spike pub.
The 18 second video clip has now been posted on line and can be seen below.
The video appears to show the officer punching the man.
Police were called late saturday to reports a man and woman were being unruly and had been ordered out of the pub.
The department says the conduct of the officer is under review.