Police are investigating an aggravated robbery at a Mount Gambier service station early this morning.
Just after 3.30am police were called to a service station on the corner of Commercial Street East and Crouch Street North after reports three men, one armed with a knife, entered the business and threatened a staff member.
The three men ran off after stealing money and cigarettes.
No one was physically injured during the incident.
Detectives from Mount Gambier CIB are investigating the incident.