FC Groningen - Ajax had yet to reach the six minute mark, when smokebombs were already thrown from the stands. The players went inside for fifteen minutes after that first incident. Right after the duel was resumed, it happened another time. Referee Manschot decided to suspend the rest of the match.
FC Groningen - Ajax discontinued
FC Groningen - Ajax has been definitively discontinued. In the sixth minute of the game, fireworks were thrown on the field. After the game resumed after fifteen minutes, fireworks were again thrown from the stands.