A 16-year-old schoolboy was robbed of his mobile phone by a gang of youths outside the Galaxy Centre earlier this month.
The incident happened on January 2 in Bridge Street at 6pm when three youths approached the victim and demanded he hand over any cash.
The victim was frightened so handed over the small amount of money he had with him before being forced to hand over his mobile telephone.
The offenders are described as of Asian appearance and between 12 and 17 years of age. One wore a grey top with a hood pulled up.
Anyone who has information relating to this crime is urged to contact Det Con Jo Bosson on 01582 473152 Bedfordshire Police on 101, text information to 07786 200011 or contact Crimestoppers on 0800 555 111.