Police have released two CCTV images of a man they would like to speak to following a large scale disorder in Sutton Coldfield town centre.
The police are also re-appealing for information about the disorder, which took place in the early hours of Sunday, September 26.
Two groups of men, around 30 in total, were seen to be involved in the incident, which took place outside Reflex nightclub, in Sutton Coldfield town centre lower parade at around 3:30am.
The men dispersed as police arrived.
Five men aged between 17 and 25 have been arrested on suspicion of violent disorder. They have all been released on bail pending further inquiries.
Police have now released an image of a man to a bid to identify him.
Investigating officer, Sergeant Richard Cox from Sutton Coldfield police station, said: "We are treating this incident very seriously, as it appears that those involved in the disorder were very violent towards one another.
"We are very keen to identify the man pictured and would urge him to come forward and speak to police.
"Sutton town centre is a popular venue on the weekend and we would ask anyone who was passing and may have witnessed the disorder to come forward and pass on any information you may have to the investigating officers."
"Everyone should be able to enjoy nights out in Sutton town centre without the fear of violence or intimidation. If you were involved or have any information to assist, no matter how small, come forward."
Anyone with information to help the police investigation is asked to contact police on 0345 113 5000 or call the independent charity Crimestoppers anonymously on 0800 555 111.