A female attendant has been injured during an aggravated robbery at a Whyalla service station on Saturday night.
A man entered the service station on McRitchie Crescent, around 8pm on Saturday night armed with a pair of scissors.
He threatened the attendant and stole money before leaving.
During the robbery, the attendant received an injury to her hand from the scissors and was treated at the scene by paramedics, but did not require further medical treatment.
The suspect is described as a man about 183cm tall, with a slim build and covering his face with a black and white t-shirt. He was wearing a dark blue puffer jacket, cream or tan chinos and black and white shoes.
He was last seen heading down Pine Street towards Booth Street on foot.
Whyalla CIB detectives are investigating the robbery.
Anyone with any information that may assist the investigation is asked to contact Crime Stoppers on 1800 333 000.