So far, 11 men have been arrested in connection with the incident.
Detectives are investigating a large fight in Leicester city centre and are appealing for help to identify a number of men who they believe may have information.
The incident happened in New Walk following the Leicester City versus Aston Villa game on Saturday 23 April.
So far, 11 men – supporters of both teams – have been arrested in connection with the incident and have been released on bail while enquiries continue.
However, a number of men believed to have been involved have not been identified.
Detective Constable Ahmed Dada, the investigating officer, said: “I’m appealing for public help to identify those men pictured as I believe they may have information about what happened and can assist with the ongoing investigation.
“If you recognise anyone and know who they are – or indeed you’re one of these men – then please get in touch. Any information you’re able to provide could help.”
You can pass on information by visiting and quoting reference 22*230490.
Those pictured below are believed to be supporters of Leicester City:
Those pictured below are believed to be supporters of Aston Villa: