Police have described the offender as male, perceived to be of African appearance, aged in his 20s and approximately 188 centimetres tall with curly black hair. He was wearing a black hooded jumper, blue jeans and blue runners.
No one was physically injured in the incident.
Anyone who sees someone matching the offender’s description is urged not to approach him and to call triple zero immediately.
Anyone with other information that could assist police with their inquiries is urged to contact Crime Stoppers on 1800 333 000.