Police in Halifax are seeking witnesses in connection with an incident involving a sizable group of individuals on Waterhouse Street.
The episode is thought to have originated when a male was expelled from the Acapulco nightclub at approximately 2:30 am on Saturday, 11 November.
A vehicle stationed outside the club sustained damage, and individuals were observed running around with objects believed to be fragments of wood.
Numerous people have reported being assaulted, resulting in injuries.
Authorities at Calderdale District Police are treating the matter as an affray and are urging anyone who witnessed the disturbance or possesses footage of the events to come forward.
If you can provide assistance with this investigation, please contact the police on 101 or use the live chat facility on the West Yorkshire Police website. The crime reference is 13230626219.
Information can also be reported anonymously to the independent charity Crimestoppers at 0800 555111 or online.