Bolton Wanderers fans clashed with cops at the DW Stadium during Saturday afternoon’s Championship match against Wigan.
Chaotic scenes erupted when cops tried to forcibly remove a Bolton fan from the away end.
In the first video below, at least two cops can be seen hitting the fan several times.
Their actions sparked an angry reaction among the away fans, some of whom began throwing punches at the cops in an attempt to help the man.
Four people were arrested at the match, with three people detained for public order offences and one for section 47 assault.