The youngster was attacked in the town centre of Henley by a group of other youths at about 9pm on Thursday, July 17. The victim suffered injuries, though police did not reveal how severely, and has received medical treatment since. READ MORE: M40 closed with two hour delays due to crashThames Valley Police said that despite having footage of the violent incident and 'extensive enquiries', none of the offenders have been identified. A spokesperson for the force said: "We are asking anyone who witnessed the incident, or has any information that could assist our investigation to come forward. "If you have information, please contact Thames Valley Police online or by calling 101, quoting reference 43260367260"Alternatively, information can be provided anonymously via Crimestoppers on 0800 555 111 or online."