A man has been arrested following an investigation into the violent scenes that marred last month's FA Cup fourth-round tie between Millwall and Everton.
The Metropolitan Police has announced a 27-year-old has been bailed to return to a central London police station on February 28 on suspicion of wounding with intent, attempted grievous bodily harm and violent disorder.
Everton fan Jay Burns suffered a facial gash requiring 25 stitches when he was attacked before the match and the arrest made is in relation to "a life-changing injury one male suffered to his face during the disorder".
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Detective Sergeant Matt Simpson of the Metropolitan Police's Public Order Investigation Team said: "The disorder which we witnessed on Saturday, January 26 was absolutely shocking.