In Coventry, England, two men pushed a fisherman into a lake and filmed it. Police are now trying to track the two pranksters down.

The video, which shows the completely unprovoked attack, was posted to YouTube after one of the guys encouraged his friend to knock the guy into the water while he filmed the whole thing:

The original video was taken down from YouTube—but not before it was viewed 50,000 times.

Police are investigating the footage as “assault”, and are trying to identify all parties involved.