A 12-year-old was walking his dog in Northamptonshire when he was approached by three men.
The incident happened on Tuesday evening at about 7pm in Kettering when the 12-year-old boy was walking his dog near to the railway bridge on the track between Headlands and Thurston Drive (to the back of Millennium Drive) when he was approached by three men.
The men assaulted the boy and stole his mobile phone and skateboard.
The offenders were all aged about 18 to 19. Two of the men were white and one was black.
Witnesses to this incident, or anyone with information, are asked to contact Northamptonshire Police on 101. Alternatively, information can be given anonymously to Crimestoppers on 0800 555 111.