Police are looking for these people after three men were stabbed in a brawl outside a nightclub.
Five men from Leeds have already been charged with violent disorder following the incident outside C Club in Sackville Street, Bradford, on May 26.
Jahbari Blair, 18, of Rookwood Vale, Osmondthorpe, Jozeffi Jeffers, 18, of Roman Place, Roundhay, and Ryan Carpenter, 21, of Leopold Street, Chapeltown, are accused of violent disorder, grievous bodily harm, robbery and possession of an offensive weapon.
Dwight Halliday, 28, of Louis Street, Chapeltown, and Levon Halliday, 30, of Manor Grove, Chapeltown, have been charged with violent disorder and GBH.
Marcus Kaye, 20, from Huddersfield, is charged with violent disorder, wounding and robbery.
The early hours incident saw a large number of people involved in a fight outside the club. Three men were treated in hospital for non-life threatening stab wounds. Another two suffered minor injuries.
The club, which had a reputation for violent incidents, was closed down shortly afterwards.
Police are still investigating and say the people pictured – who may be from Leeds – could have vital information.
Detective Sergeant Stuart Lyons, of Bradford District CID, said: “We are urging these people to come forward and tell us what they know about the disorder in Sackville Street, as they may have information which could be vital to our investigation.”
Anyone who recognises them should call Bradford CID on 101 or Crimestoppers on 0800 555111.