Police are investigating after a 16-year-old boy was assaulted while at Pomphrey Hill in Mangotsfield with friends.
It happened between midnight and 1am on Friday 23rd June. A group of teenagers were at the park and the boy made a comment about some music which was being played and was punched and knocked to the ground.
He went home, where patrolling officers attended to take initial details, but he needed to go to hospital for assessment to his injuries.
Police say they are aware of reports that some of the young people were carrying knives, however no weapons were seen during the incident.
Although officers have some positive lines of enquiry, they are keen to hear from anyone who was at the park at the time who witnessed the assault or may have phone footage.
Call 101 and give the reference 5223148082. Alternatively contact Crimestoppers anonymously on 0800 555 111.