A 12--YEAR-OLD boy broke another child’s arm when he threw a metal bar at him and knocked him off his bike in Oxford.

The 10-year-old was cycling along Quarry Road, in Headington, when he was attacked at about 2.30pm on Sunday, October 3.

Police want to speak to a Good Samaritan who drove the injured boy back to his home in Barton.

Pc Zoe Eele said: “We would like to speak with this man to see if he saw the incident that led to the boy breaking his arm, and would ask him to contact us as soon as possible. He was driving a silver car.”

Anyone with information should call Pc Eele on 08458 505505.