Police are appealing for information about a fight between two men in the pedestrian area of London Road, Bognor, on Tuesday December 18.
At around 2.20pm it is believed that two men were involved in a fight near to Holland and Barrett shop, resulting in both of them falling to the ground.
A Sussex Police spokesperson said: “We have received a report of an assault taking place and are still establishing the full circumstances.
“We would like to hear from anyone who witnessed the incident taking place or has information about it.”
Anyone with information is asked to contact Sussex Police on 101 quoting serial 0816 of 18/12.