Up to 20 people were involved in a fight outside Milton Keynes’ Xscape in the early hours of Saturday morning.
One man was treated in hospital for a head injury following the incident between 4am and 5am.
The fight broke out outside the Harvester between 15 and 20 people, but it continued over the Child’s Way bridge in Pencarrow Place towards the Fishermead area.
The offenders involved were all men thought to be black or of mixed-race.
Anyone with information or who witnessed the incident is asked to contact Thames Valley Police on the 24-hour Police Enquiry number 101 quoting URN 295 of 9/8.
If you don’t want to speak directly to the police you can contact Crimestoppers anonymously on 0800 555 111 or online at crimestoppers-uk.org.
No personal details are taken, information is not traced or recorded and you will not go to court.