Police are looking for a man who attacked a street performer dressed as the movie character, Predator, in Birmingham city centre.
Images captured on a mobile phone show a young man running up behind the performer and pushing them from a podium in front of numerous onlookers.
The incident took place at the Bullring shopping centre on Sunday.
More top news
Luke Pinder threw a glass bottle with “full force” at a cancer patient during the attack in a Birmingham pub .
Detectives are trying to find two suspected rapists after a teenage girl was attacked in separate incidents.
Sunshine and showers at first, but rain later.