A man wearing a balaclava threatened staff at a Gregory Hills fast food restaurant with a knife and metal bar last night.
Police are investigating the armed robbery which took place at the restaurant on Lasso Road, Gregory Hills.
Police have not yet named the restaurant involved.
The incident occurred at 10.30pm on Thursday, January 11.
The man was wearing a black balaclava, grey hooded jacket, black track pants, black gloves, and white shoes.
He was handed an amount of cash before fleeing the scene.
No staff were injured.
Detectives from Camden Local Area Command are conducting inquiries into the incident.
Police are urging anyone with information in relation to this incident to call Crime Stoppers on 1800 333 000 or use the Crime Stoppers online reporting page: https://nsw.crimestoppers.com.au/.
Police remind people they should not report crime information via their social media pages.