The incident happened on Green Road on December 6 at around 6.50pm.

Police are appealing for witnesses after a robbery took place in Newmarket.

The incident happened on Green Road on December 6 at around 6.50pm.

A man was aproached and threatened by two men.

One of the men had a knife in his hand and demanded the victim hand over valuables.

They searched his rucksack and stole a letter.

The suspects then walked off along Green Road, on to The Avenue.

Both suspects were wearing balaclavas and gloves at the time.

Anyone who witnessed either incident, saw any suspicious activity in the area or has knowledge of the incident should contact Bury St Edmunds CID on 101 quoting crime reference 37/77958/17 or call Crimestoppers anonymously on 0800 555111.