Staff at a service station in Lisburn were robbed by two men wielding a hand-gun and a knife yesterday.
Detectives have appealed for witnesses to come forward after the armed robbery on the Mullaghglass Road in Co Antrim.
The men are described as in their early 20s. One was 5ft 9ins, slim, with straight black hair and stubble.
The second man who carried the large knife was 5ft 6ins tall, with short dark hair. Anyone with information is asked to contact Lisburn CID on 0845 600 8000.