A teenager has been indecently assaulted on a Transperth bus in Cannington earlier this month.
The 17-year-old girl was travelling on route 34 at 1pm on May 2 when a male sat next to her.
He then indecently assaulted the girl, despite the her telling him to stop.
He exited the bus shortly after passing the Carousel Shopping Centre, on Cecil Avenue.
Police have released a CCTV image of a male who they believe can assist them with their inquiries.
Anyone who can identity of this person or have any more information can call Crime Stoppers on 1800 333 000.