Police are appealing for witnesses following a robbery in the Stonehouse area of Plymouth on Monday 19 October.
Officers are seeking information over the incident which happened in King Street at around 3.50pm.
The male victim, aged in his 20s, was approached, assaulted and had a silver chain and his mobile phone stolen
Police would in particular like to speak with an unknown male who intervened and helped the victim.
Two local men, aged 29 and 26, have been arrested on suspicion of robbery and remain in police custody at this time.
Anyone with information is urged to call police on 101, or email [email protected], quoting crime reference CR/088341/20.
Source:: Devon and Cornwall Police News