An elderly man cleaning a path in Chicago was the victim of an unprovoked sucker-punch attack. The police in the city - which is experiencing an increase in violent crime - released the footage of the assault.
The suspect can be seen attacking the victim before fleeing the scene. The incident is said to have taken place in the middle of the afternoon on July 23.
Police tweeted the clip, writing: 'Help Detectives identify the subject seen in this video where a Battery of Senior Citizen occurred on the 100 block of West Jackson Blvd on July 23 approx.
2:50PM.' The clip begins with the cleaner making his way across the path with his broom. A passing man, who is seen wearing a white tank top, blue shorts and blue shoes, then punches him.
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