Police officers were called at around 3:40am on Sunday 19 September 2021 to reports a group of males were fighting at Cirque Manchester, Queen Street.
One man was treated in hospital for a head injury.
A number of men have been identified and police are looking to speak with them in connection with the incident.
PC Christine McIntosh, of GMP’s City of Manchester district, said: “Fighting occurred inside the premises and continued onto the street where barrier poles were used as weapons.
“We have identified a number of men would like to speak to in connection with the incident.
“We are keen to speak to anyone who may know these men or were in the area at the time.”
Anyone with information should call police on 0161 856 3221 quoting incident 601-190921.nInformation can also be reported online or by using the Live Chat function at www.gmp.police.uk.
If you can’t report online, call 101 or Crimestoppers anonymously on 0800 555 111.