Around 6.20pm on Sunday 6 January 2019, a man was at a licensed premises on Marine Terrace in Fremantle when he was asked to leave due to his demeanour.
A security guard approached him and the man threw a bar stool away and then threw a punch, hitting the security guard in the face causing swelling and bleeding around his mouth.
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: Light skinned, large build, bald and has tattoos on his left arm. He was wearing a pink and green coloured polo 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 9125.