A man brandishing a shotgun robbed a Red Rooster store in Ballajura overnight.
Police were called to the armed robbery on Illawarra Crescent and Kingfisher Avenue after a man entered the store with the firearm and demanded money from staff around 10am.
A police spokesman said he was given an amount of cash before leaving the area.
He is described as a fair skinned male, around 180cm tall, and was wearing black pants, a dirty dark hoody, a black baseball cap and a bandanna covering his face.
Anyone who can assist in this investigation is asked to call Crime Stoppers on 1800 333 000.