RIOT police in Germany knocked a fan to the floor following a confrontation in Berlin ahead of Poland vs Austria.
Video circulating online appears to show a police officer punch a fan in the face before attempting to restrain him on the floor.
Reports have suggested that the fan had thrown a bottle at the officer, however video seems to show that the supporter threw a plastic cup full of beer in the cop's direction.
The clip shows the fan make his way around a large group of people with a beer in his hand before launching it at the officer.
The rowdy supporter then appears to move towards the police as if to confront them.
But is quickly made to regret his decision when one grabs hold of him and punches him in the face.
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The huge hit packed enough force to knock the fan over a bench and down to the ground.
The bruised supporter then appeared to be restrained by the officer and number of his colleagues who came in to assist him.
Other fans watched on as the melee took place, while riot cops ushered crowds away from the scene.
It's not known why the police were present at the beer garden.
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Poland took on Austria in Berlin yesterday, falling to a second consecutive defeat at Euro 2024.
And their defeat made them the first team to exit the competition despite still having another group game to play.
Austria have given themselves an outside chance of progressing from Group D with a clash against the Netherlands up next on Tuesday.
A Polish fan attending the game last night was rushed to hospital after falling from the stands at the Olympic Stadium.
According to , the man "fell three metres into a ditch between the tribune and the infield".
It is understood he was briefly unconscious, before medics took him away to hospital.