From Tasmania Police:
On Thursday evening at approximately 11:05 pm a male person has entered a Launceston Service station and demanded money. The male produced a sawn off rifle and demanded money from the till.
He has fled a short time later with a small amount of cash and property.
The male is described as being, approximately 25yr of age, 165-170cm tall, with fair skin and no visible tattoos. He was wearing dark pants, a long sleeved black top, white sneakers, and a black cap with a reflective patch on the peak.
Police are asking anyone who may have seen a person matching this description to contact them. They are also appealing to witnesses who may have observed a vehicle driving erratically in the area of Wellington, Frederick and Bathurst Streets at that time, particularly a dark green coloured sedan.
Information can be provided anonymously by calling Crime Stoppers on 1800 333 000 or online at crimestopperstas.com.au.