Police Transport Unit are seeking assistance with a trespass incident that occurred at the Butler Train Station on Friday 9 November 2018.
Around 4:30am a man has trespassed on the train tracks and hidden in bushes as a train approached.
A member of public sighted the person and called police. When police arrived the person was disturbed and fled the area. Patrols of the area were conducted, however he was not located.
Police have released a CCTV image of a man who they believe may be able to assist them with their investigation.
The man is described as being aged between 18-28 years of age and wearing dark clothing.
If you have any information about this offence make a report online at crimestopperswa.com.au or call Crime Stoppers on 1800 333 000, where all calls are strictly confidential, and rewards are offered. Please quote Reference Number 9102.