Police Transport Unit are seeking assistance with a damage incident that occurred on The Crescent near Mellar Crescent in Midland on Friday 18 January 2019.
Around 11:05am a man has boarded the bus on Toodyay Road near Patterson Drive, Middle Swan. At this time he was in company with several other people.
When the man exited the bus on The Crescent he grabbed a discarded shopping trolley and rammed it into the left side of the bus, causing damage to the side panel.
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 dark skinned, medium build, aged in his late teens. He was last seen wearing a camouflage print cap, dark coloured hoodie and a black t-shirt.
If you have any information about the identity of this man or details of this offence please contact Crime Stoppers on 1800 333 000 or report online at www.crimestopperswa.com.au. You can remain anonymous if you wish and rewards are available once charges are laid. Please quote Reference Number 9192.