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West Midlands PoliceViolence broke out during half-time and after the game, police said
Police have released images of 16 people they would like to speak to following violence between fans at a football match.
Disorder broke out at Birmingham City's League One home game against Shrewsbury Town at St Andrew's on 29 March.
West Midlands Police said it started in the stadium concourse at half-time, before spreading outside the ground after the final whistle.
Four people have already been arrested and released under investigation.
The force said it had identified the 16 men following a review of CCTV and police officers' body-worn video cameras.
