The incident happened when the two boys were in the park playing football with a group of friends when they were assaulted around 6pm.
One boy aged 16 sustained a serious head injury and the other boy, aged 15, sustained a minor head injury. Both were taken to St John’s Hospital and released after treatment.
A group of men were nearby at the time and officers are keen to speak to one of them in particular. He is described as white, aged around 23, five feet 10 inches tall, of slim build with short black hair.
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