Two people were injured following an incident at the Investec Derby Festival in Epsom on Saturday.  Eleven men were arrested in connection with the incident, some of whom were from Caterham, Reigate and Croydon.  They remain in custody while enquiries continue.  

Officers responded to a disturbance at the event which involved bottles being thrown near to the main music stage at around         6.15 pm.  A police officer had a tooth knocked out and was taken to hospital for treatment for facial injuries.  An 18 year old man was treated for head and facial injuries at the scene.  

Officers are trying to identify potential witnesses from CCTV.  They ask anyone who filmed the incident on mobile phones to contact them.  Witnesses should call Surrey Police on 101.

If you have any information contact Surrey Police online at http://www.surrey.police.uk/ or call 101 and quote crime reference number 45160047017. Alternatively, if you do not wish to leave your name, call the independent charity Crimestoppers on 0800 555 111.