Four teenage boys have been arrested in connection with a robbery in Bury St Edmunds at the end of March.
Between 1.20pm and 1.30pm on Wednesday March 29, a 17-year-old boy was attacked in St Olaves Road in the town.
His mobile phone was stolen before a teenage girl bravely intervened, challenging the attackers who then fled the scene.
Four teenage boys - a 14-year-old, two 15-year-olds and a 16-year-old - all from Bury St Edmunds, were later arrested on suspicion of robbery.
All four have been bailed to return to police on Wednesday June 14 or Thursday June 15, pending further enquiries.
Detectives investigating the case are appealing for witnesses to the incident to get in touch with them.
If you saw the incident or were in the vicinity of St Olaves Road at the time please contact west Suffolk CID by calling Suffolk Police on 101, quoting crime number 25817/17.
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