Ajax supporters were left bloodied in clashes before the team's game at AEK Athens in the Champions League.

Ajax supporters were left bloodied in clashes before the team's game at AEK Athens in the Champions League.

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Champions League: Ajax advances amid troubling scenes at AEK Athens

Ajax reached the Champions League knockout phase for the first time in 13 years but the Dutch club's 2-0 win at AEK Athens was marred by violent clashes both in and outside the Athens Olympic stadium on Tuesday.