The incident took place during a hurling match in Nowlan Park.
A man has been arrested for his part in a public order incident in Kilkenny over the weekend.
It comes after violent scenes in Nowlan Park after a meeting of Offaly's Kilcormac Killoughey and Kilkenny champions Ballyhale Shamrocks.
Video footage appears to show a large number of players involved with some fans running onto the pitch to confront the players.
Gardaí are confirming a man in his 40s has been arrested.
He's since been charged and is due before the courts at a later date.
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