Police are appealing for information after two 19-year-old males were allegedly assaulted inside the male toilets in Lloyds Bar in Middlesbrough.
The incident occurred in the early hours of Monday 30th May (bank holiday weekend) at around 1 am.
It is believed the two males were approached by three males and assaulted.
One of the victims required medical treatment at James Cook University Hospital for a cut to his eye and he was later released.
Three men have all been arrested in connection with the incident. A 22-year-old man has been arrested on suspicion of wounding with intent and has been released on bail pending further enquiries. A 22-year-old man and a 21-year-old man have also been arrested on suspicion of assault and have been released on bail pending further enquiries.
Anyone with information is asked to contact Detective Constable Richard Brocklesby on the 101 non-emergency number. Information can also be passed anonymously via Crimestoppers on 0800 555 111 or via www.crimestoppers-uk.org