DETECTIVES are investigating a daytime sexual assault in Wireless Hill Park in Ardross and are calling for help to identify the offender.

On Monday February 26, just after 2pm, a woman in her 20s was walking along a path in the park when she was grabbed by a man and sexually assaulted. She managed to fight him off and ran to nearby homes for help.

It is believed her attacker had been riding a bicycle through the area.

• Artist’s impression of the man who sexually assaulted a woman in Wireless Hill Park just after 2pm on February 26. Image courtesy WA Police

He was described as being between 38 to 45 years of age, clean shaven with an olive complexion, around 180cm tall with a solid build, and having short dark hair.

He was wearing black Lycra cycling shirt and shorts, with a black bicycle helmet and sunglasses.

If you’ve got information call Crime Stoppers on 1800 333 000.