Police are appealing for public assistance following a sexual assault in Abbotsford in May.
Detectives have been told an unknown man attended a sex services premises where he sexually assaulted a woman about 3.30am on 3 May.
The man is described as about 180cm, medium athletic build with dark hair and an olive complexion.
He was wearing a long sleeved black shirt, blue denim jeans and brown shoes.
Police have released images of a man they believe may be able to assist with their enquiries.
Police are urging anyone with information to call Crime Stoppers on 1800 333 000 or log onto www.crimestoppersvic.com.au.
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