Police are investigating after a service station was robbery early this morning in Stafford Heights.

Preliminary investigations indicate at 12.20am a man and a woman entered the service station on Appleby Road where they threatened a male employee with a knife whilst demanding cash and cigarettes.

The staff member complied and the pair fled with a sum of cash and cigarettes.

The woman is described as mid to late 30s, olive complexion, black hair and medium build.

The man is described as around 40-years-old with a medium build.

No one was physically injured and police investigations are continuing.

Police are appealing for anyone with relevant dashcam vison or CCTV in the area or has further information to contact them.