A woman in her 20s was allegedly assaulted by a teenage boy.
Mandurah Detectives are investigating incident in Dudley Park, where a woman in her 20s was indecently assaulted.
Around midday on Tuesday it's alleged the victim was walking on Churchill Street when she was assaulted by a boy believed to be about 17-years-old.He was described as about 165cm with dark skin, wearing a camo t-shirt, light chinos trousers and a brown cap.
At the time he was with two other youths, who were not involved in the assault. One is described as a male around 17-year-old, 165 cm tall with fair skin, wearing a black shirt and the other male is also described as around 17-years-old, about 175cm tall, light skinned with blonde hair and wearing a black hoodie, black Adidas pants and a black cap.
Mandurah Detectives would like to speak to anyone who was in the area at the time who may have seen the incident or the youth described.
Anyone with any information is asked to call Crime Stoppers on 1800 333 000 or report online at www.crimestopperswa.com.au