Police are appealing for any witnesses to an armed robbery in Kenthurst late last night.

About 10.45pm (Thursday 1 May 2014), an attendant, a 28-year-old man, was working in a service station on Kenthurst Street when two men entered the shop.

The two men threatened the attendant with a knife and demanded cash.

He complied handing over a sum of cash and cigarettes, the men then fled from the area in a blue sedan.

Police were contacted and officers from The Hills Local Area Command attended commencing an investigation.

A crime scene was established and examined by forensic specialists.

The attendant was not injured during the incident.

One of the men was described as wearing a red jumper and blue pants with his face covered.

The other man was described as wearing a black hooded jumper and dark pants

Investigators would like to speak to anyone with any information about the robbery or witnessed the incident to contact the authorities.