Police at Port Augusta are asking for public help to identify an alleged suspect in relation to a robbery at a Hungry Jacks store over the weekend.
At about 12.16am, a male climbed through the drive-through window armed with a large knife.
He demanded cash and left the store a short time later with a small amount of cash.
The suspect, as shown in the attached CCTV images is described as being 178cm tall, slim build and of Aboriginal appearance.
He was wearing a blue hooded jumper, with a white coloured motif on the front and rear, grey track pants which had a single white stripe down the side of each leg and red/white sneakers.