Police are appealing for public assistance following an armed robbery at a video store in Lane Cove yesterday.

Shortly before 4.30pm (Thursday 24 January 2013), a man entered the store on Longueville Road, armed with a firearm.

He threatened the female employee with the gun and demanded money from the register.

The man took cash before fleeing the premises.

Police from North Shore Local Area Command attended and established a crime scene, which was examined by the forensic armed robbery unit.

The man has been described as being in his late 20s to early 30s, 183cm tall with a tanned complexion. He was wearing a blue baseball cap, blue shirt and light-coloured shorts.