Derbyshire Police have appealed for witnesses after a fight before Coventry City's game at Chesterfield on Saturday.
The fight, which happened around 2.40pm, took place close to the Donkey Derby pub on Sheffield Road and three Chesterfield fans have been arrested and released under investigation.
Police are advising any witnesses to get in touch.
More information - http://www.derbyshire.police.uk/News-and-Appeals/News/2017/September/05-Sep-Witness-appeal-after-clash-between-rival-football-supporters.aspx