Two teenagers have been arrested in connection with a large fight near Snow Hill.
Police say it involved a large group of men in their late teens and early twenties at around 2.30am on Sunday morning (10 September).
Two of them needed medical attention.
Two 18 year olds were arrested on suspicion of assault.
Officers want to speak to any witnesses and anyone who has mobile phone footage.
"Anyone with information is asked to contact police on 612612 or the independent charity Crimestoppers anonymously on 0800 555 111 or via their Anonymous Online Form at Crimestoppers-uk.org."