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Tracking down Tyne-Wear derby day hooligans

In April 2013 scores of football hooligans went on the rampage following Newcastle United's defeat by Sunderland in the Tyne-Wear Derby.

During a series of trials, 88 people admitted violent disorder or affray, two were convicted and three acquitted.

BBC Look North talks to some of those who took part, as well as the people tasked with tracking them down.

Dan Farthing reports.