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Officers investigating a pitch invasion have released 18 images of people they want to speak to.
A large number of fans ran onto the field at Priestfield Stadium immediately after the end of season match between Gillingham FC and Rotherham United on April 30.
Fans on the pitch at Priestfield
Fighting broke out among some supporters at the stadium in Redfern Avenue, Gillingham and objects were reportedly thrown.
The incident is being investigated by police who have been reviewing footage from multiple sources.
Detective Inspector Pete Smith said: "Whilst emotions naturally run high during a football match, there is never any excuse for people to engage in acts of violence against one another – especially when in the presence of hundreds of children who were also at the game.
"People should be able to support their teams without being subjected to such unacceptable behaviour and our investigation into offences committed following the game is ongoing.
"We believe the people in the images may be able to assist us with our inquiries and urge anyone who recognises them to get in touch."
The League 1 match ended with a 2-0 win for Rotherham, which meant they were promoted from the division and the Gills were relegated.
If you can help, call the appeal line on 01634 792209 quoting reference 46/108028/22 and the number associated with the image you recognise or call Crimestoppers anonymously on 0800 555111 or complete the online form on its website.