A convenience store in Ultimo was robbed at knife-point last week and police are calling on the public to provide any information it can.
It is alleged that a man entered the c-store on Quay Street just before midnight and threatened the 27-year-old employee.
It was said that he demanded money and threatened the employee with a knife.
The employee was not hurt however the thief took cash and left the store on foot.
Sydney City Local Area Command is continuing to investigate the crime scene.