Rockingham Detectives are appealing for the public's help to find two men who robbed a service station in Warnbro.
The men entered the service station at the intersection of Warnbro Sound Avenue and Bristol Street around 12.40am on Wednesday, June 28.
The pair assaulted a staff member and stole an amount of cigarettes and tobacco before leaving the scene.
As inquiries continue, detectives have released CCTV images of two males they believe may be able to assist with their investigation.
The males are depicted wearing black clothing, gloves and balaclavas.
They were carrying black Billabong bags.
One of the males is described as being approximately 180cm tall and of medium build.
He had distinctive tattoos on both wrists and his neck.
Anyone with information is urged to contact Crime Stoppers on 1800 333 000 or online at www.crimestopperswa.com.au