A liquor store was robbed in Canberra's north over the weekend by a man who appeared to be wielding a blood-filled syringe, police have said.
The incident occurred about 9.50pm on Saturday at the Liquor Legends store in Hawker on Belconnen Way.
Police said a man entered the store and, with a syringe half-filled with what appeared to be blood, demanded an employee hand over cash.
The employee, fearing for his safety, complied with the offender's demands. The man then left in an unknown direction.
Police believe two people in the vicinity may have seen the offender, who is described as Caucasian in appearance, approximately 173 centimetres tall, of a skinny build, dirty-blonde curly hair and blue eyes. He was wearing a light-coloured shirt, khaki shorts and a black baseball cap with a flat peak. The lower half of his face was covered with a green shirt.
The offender is thought to be aged in his late teens to early 20s.
Police are urging anyone who may be able to assist with the investigation contact Crime Stoppers on 1800 333 000. Information can be provided anonymously.