Police are investigating an aggravated robbery that occurred at a Craigmore pizza bar last night.

At about 10.20pm three males entered the Eagle Boys Pizza Bar on Yorktown Road where they threatened a staff member and demanded cash before punching him.

They were not armed.

The victim sustained minor injuries to his face.

The suspects, who fled on foot, stole soft drinks and are all males of Caucasian appearance, aged in their late teens.

The first is about 175cm tall, of slim build, with collar length black hair. He was clean shaven.

The second suspect is about 170cm tall, of stocky build with ginger hair and beard.

The third suspect is about is about 185cm tall, of slim build, with blond collar length hair. He was clean shaven.

All three were wearing dark coloured hooded tops