Detectives are investigating the armed robbery of a service station in Warwick early this morning.

Initial enquiries indicate that about 3am, a man entered a service station on Wallace Street as the main door was unlocked for another customer.

Armed with a rifle, he demanded that the customer lie on the floor and that the attendant give him money and cigarettes.  The attendant complied and the man left the scene with a sum of cash and a quantity of cigarettes.

Upon police arriving they conducted a search of the area, however were unable to locate the man.

He is described as being Caucasian in appearance and around 160cm to 170cm tall.  He was last seen wearing dark pants and a dark sweatshirt, multi-coloured beanie and white gloves.

There is no further information available at this stage. Investigations are continuing.