By Roger Donnelly
Following the trouble surrounding Saturday's Ballymena v. Coleraine football match, police are now studying extensive video footage to track down the culprits.
They say the majority of fans were well-behaved, but that a small minority was intent on causing trouble and starting fights.
Ballymena lost the quarter-final to Coleraine by 4 goals to nil.
Chief Inspector Stephen McCauley told Q Radio's Roger Donnelly he's very disappointed by the violence:
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