DAVY KLAASSEN was left with blood streaming from his head as Ajax vs Feyenoord was stopped TWICE in chaotic scenes.
The former Everton star was struck by an object thrown from the crowd in a hostile atmosphere at the Dutch Cup semi-final in Rotterdam.
It marked the second lengthy stoppage in the heated clash - with players also have been marched off after just ONE MINUTE.
Feyenoord fans set off flairs immediately after kick-off in the clash with their bitter rivals.
Officials waited for the smoke to clear before both teams returned to the pitch.
But that was not the end of the controversy.
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Midway through the first half, Ajax star Klaassen was then hit on the back of the head by an object, believed to be a lighter.
It left him in a bloody mess as the players were taken from the field once more.
As the crowd went out of control, Feyenoord assistant boss John de Wolf addressed fans to ask them to behave.
Speaking on a microphone from the pitch, he said: "Fans, at that side, use your brain God damnit! Make sure nothing is being thrown on the pitch again."
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Police later confirmed the fan had been arrested.
A police spokesman said. "We are investigating exactly what happened."
Pictures of the smoke cloud were shared on social media and fans were quick to voice their concerns.
One tweeted: "This is crazy."
A second wrote: "Football is more than a game to us."
A third commented: "European soccer fans really get to do whatever they want."
When the action restarted, Feyenoord's Santiago Gimenez cancelled out Dusan Tadic's opener.
But six minutes into the second period Ajax regained the lead through Klaassen and they held on for a 2-1 victory, despite Kenneth Taylor's late red card.
They will now face PSV in the KNVB Cup final on April 30.
The Dutch FA released the following statement about the incident.
It read: "Tonight during the semi-final of the cup tournament, we saw that a player was injured on the head because someone in the audience threw an object at the field.
"This despite the precautions, such as nets in various places in the stadium. Recently a player was beaten by a supporter and now another low point has been reached.
"Thousands of people go to the stadium to watch the players play football. Then it is insane that they are apparently not safe on the field.
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"Of course clubs and organizations take precautions, but it starts with the intentions of the perpetrators. If you don't come to the stadium for football, but to riot, then stay away: football, the clubs, the real supporters and the players are better off without you.
"Naturally, tonight's events are being investigated, with the common goal of punishing the perpetrators."