Police investigating the armed robbery of a newsagency in Toowoomba yesterday afternoon have released a comfit of a man they believe may be able to assist with inquiries.

Shortly before 5pm, a man armed with a firearm entered theSouth Streetbusiness and threatened an employee before fleeing with a sum of cash.

He was last seen running in a northerly direction.

The man is described as approximately 180cm tall, wearing all black clothing and white shoes.

He was wearing a balaclava during the incident.

Anyone with information which could assist police with their investigations should contact Crime Stoppers anonymously via 1800 333 000 or crimestoppers.com.au 24hrs a day.

Crime Stoppers is a charitable community volunteer organisation working in partnership with the Queensland Police Service.