Police are investigating the armed robbery of a licensed premises in Redbank last night.

Preliminary investigations indicate around 10.30pm three men have entered the drive-through section of the business located on Brisbane Road, one of them armed with a large knife.

Two of the men went behind the counter and threatened a male employee with the knife before removing a sum of money from the cash register. The third man broke a cabinet and removed alcohol.

The men ran from the premises then entered a white sedan and fled the scene.

Police have released CCTV images of three men who may be able to assist with their inquiries.

The first man is described as wearing a dark jumper with grey pants and had his face covered with a white jumper. The second man was wearing a black and white hooded jumper with black shorts, and the third man a red hooded jumper with a white cap underneath.

Police are urging anyone who may recognise the men or know their whereabouts to contact Policelink or Crime Stoppers.