Iranian anti-riot police officers try to prevent the clash between fans of Tractor, left, and Tehran's Esteghlal, unseen, during Iran's premier soccer league, at the Azadi (freedom) stadium in Tehran,... more 
Iranian anti-riot police officers try to prevent the clash between fans of Tractor, left, and Tehran's Esteghlal, unseen, during Iran's premier soccer league, at the Azadi (freedom) stadium in Tehran, Iran, Friday, Sept. 9, 2011. Tractor which comes from Azeri-speaking area in northwestern Iran defeated Tehran's Esteghlal 3-2. (AP Photo/Vahid Salemi) less 
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Associated Press | Photo By Vahid Salemi
Fri, Sep 9, 2011 4:24 PM EDT