Police are appealing for witnesses and information following a violent altercation in St Albans city centre.
The incident on French Row and the High Street started shortly before 1am on Monday, July 12.
Police received reports of men fighting and bottles being thrown. The group have dispersed and run off when police have arrived however a number of men were detained by officers.
Detective Constable Paige Carter from the St Albans Local Crime Unit said: “The incident occurred the same night as the Euro 2020 football final.
“We believe several people who had been in the Snug, or stood outside, will have witnessed it or even tried to separate those involved.
“We would like to trace these people as they may have information that could assist our investigation. If you saw this incident please get in touch with us.”
Three men aged 17, 18 and 26 were arrested on suspicion of affray. They have been released under investigation while enquiries continue.
You can email DC Carter, report information online, talk to one of the Force Communication Room operators via web chat, or call the non-emergency number 101 quoting reference 41/52827/21.