A pizza delivery driver was robbed last week of cash and a pizza while working in Whyalla.
Police are currently investigating the robbery where a pizza delivery driver attended a home in Whyalla and while waiting for payment, he was approached by a man on the footpath.
He was threatened with a syringe before the man stole the cash and pizza from the driver, leaving on a push bike.
The suspect is described as being of Caucasian appearance, aged in his mid-20's, about 170cm tall, skinny build with short dark brown hair and a goatee beard.
He was wearing a dark hooded jumper and light coloured pants.
Anyone who saw a man riding a bike and carrying a pizza box in the area or has any other information is asked to contact Crime Stoppers.