Mandurah detectives are investigating an assault which occurred outside a nightclub in Smart Street Mall in the early hours of Sunday morning.
It happened at about 3am when the victim and his friend were sitting outside a club and were approached by another male.
A physical altercation occurred before nearby security intervened and separated them.
A 22-year-old man from Erskine sustained minor injuries to his face.
The other man involved left the area and police would like him to come forward.
Anyone anyone with information is being urged to contact Crime Stoppers on 1800 333 000 or report on-line to www.crimestopperswa.com.au
Mandurah Police are seeking witnesses & footage in regard to the incident outside Roller-Coaster nightclub at 3:20am Sunday 20th August 2017 pic.twitter.com/fdkPlVlQui
— Mandurah Police (@MandurahPol) August 20, 2017
Mandurah Crab Fest boasts huge range of free, family friendly entertainment
Fuel prices surge in Perth, Mandurah
Teen boys charged over Mandurah burglaries
Tragic update in search for missing man Robert Snyder
Premier Roger Cook to leave Kwinana electorate, move to Perth
Mandurah Marine Rescue's new vessel named in memory of nun who survived 1959 boating accident
Teen dies in motorbike crash at Waroona Dam
Shark alert issued after whale carcass reported at Preston Beach
Kwinana businesses to refuse serving students during school hours