Police are investigating an armed robbery at a pizza shop in Kippa Ring last night.

Around 8.20pm three men entered the Anzac Avenue business, with one man armed with a firearm. The male attendant was threatened as the men demanded money.

After obtaining money from the till the men left the store and were last seen heading down a nearby alleyway.

The attendant, a 19-year-old Kallangur man, was not physically harmed during the incident.

The first man is described as 175cm tall, of average build and was wearing a grey hooded jacket, black tracksuit pants with a white stripe on the side, black shoes and gloves. His face was covered by a green cloth.

The second man is described as 185cm tall, of slim build and was wearing a black jacket, black jeans, black shoes, gloves and sunglasses. His face and head were covered with a black cloth.

The third man is described as being of Caucasian appearance, 188cm tall, of solid build with brown hair. He was wearing a black t-shirt, dark blue trousers, black shoes, gloves and a baseball cap. His face was obscured by a maroon coloured cloth.