Rockingham Detectives are investigating after a young girl was indecently assaulted at a City of Rockingham park on Monday.
Its understood a man approached a teenage girl and indecently assaulted her at Don Cuthbertson Reserve in Cooloongup about 4:30pm.
The man is described as about 40 to 50-years-old, fair skinned, greying hair and a noticeable growth on the right cheek.
He was wearing a blue flannel T-shirt with red stripes and light blue ripped jeans and appeared to walk with a limp.
Police have released a composite image of a man who they believe may be able to assist with their investigation.
Police would like anyone who witnessed the incident, has dash-cam vision from the arena around the time of the event, or has information regarding the identity of the man, to call Crime Stoppers on 1800 333 000 or to make a report online at http://www.crimestopperswa.com.au