A teenage boy has been left with chest injuries following an assault in Norwich.

The incident happened in the Whistlefish Court area, off Dereham Road, at around 5.30pm on August 21.

A man approached the boy and began assaulting him.

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The victim sustained injuries to his chest and knee and officers believe the pair are known to each other.

Police are particularly keen to speak to two members of the public who came to the assistance of the boy during the assault.

Anyone with any information about the incident is asked to contact Norfolk Constabulary, quoting reference 36/60509/24.