Phil Gormley says he will 'co-operate fully'.
Another Arrest Over Scottish Cup Final Disorder
A man has been arrested in connection with the disorder which marred the end of the Scottish Cup final, taking the total number of arrests to 64.
The match at Hampden Park on May 21 was disrupted when fans invaded the pitch after Hibernian's 3-2 win over Rangers.
Police Scotland confirmed they have arrested a 30-year-old man.
Hibernian supporters flooded the pitch after the Edinburgh side's dramatic win, with fans of Rangers also making it past stewards and onto the turf before mounted officers restored order.
An independent report commissioned by the SFA said the Scottish Government should consider making it a criminal offence to run on to a football pitch.
The arrest comes as Rangers and Hibernian were charged by the Scottish Football Association (SFA) on Tuesday accused of causing damage during the pitch invasion.
Both clubs have until the close of business on Tuesday, September 6 to provide written responses to the alleged breaches.
The police investigation into the trouble is continuing and officers are appealing to anyone with information to contact the inquiry team on 0141 532 5457 or by emailing firstname.lastname@example.org.
Mike Russell's been in Cardiff to meet with Welsh Finance Secretary Mark Drakeford.
A man has been found guilty of battering his friend to death in a flat in Edinburgh's New Town.
He was taken to Glasgow, but couldn't be saved.
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