Latrobe Crime Investigation Unit detectives are appealing for public assistance following an armed robbery at a service station in Newborough last week.

Investigators have been told a man attended a petrol station on Naracan Drive about 5am on Saturday 30 January.

The man approached the counter and threatened the attendant with a firearm and demanded money.

The offender then fled with a quantity of cash and was last seen crossing railway tracks onto Hagans Track.

No one was injured during the incident.

Detectives have released images of a man who they believe may be able to assist with their enquiries as well as an image of a bag the man was carrying.

The man is perceived to be of Caucasian appearance, aged between 20 and 45-years-old, 167cm tall, with a solid build and had missing and dirty teeth.

He was wearing a blue check hoodie, grey tracksuit pants, black shoes and green beanie.

The man was also carrying a distinctive patchwork bag.