Police are investigating an aggravated robbery at a Foodland supermarket on Whites Road, Salisbury North last night.
At about 9.20pm, two men entered the office area of the supermarket and pointed a firearm at a staff member demanding money.
The employee handed over and amount of cash before the suspects fled.
No one was physically injured.
The suspects are both described as Caucasian, wearing dark hooded jumpers and balaclavas.