Iranian riot policemen try to control opposition supporters as they chant slogans in support of opposition leader Mir Hossein Mousavi while taking part in a rally marking Quds (Jerusalem) Day in Tehran on September 18, 2009. Iranian opposition supporters fought running battles with riot police and hardliners as tens of thousands mounted the first protest in two months against the re-election of hardline President Mahmoud Ahmadinejad. Getty Images logo Getty Images 29 months ago

Iranian riot policemen try to control opposition supporters as they chant slogans in support of opposition leader Mir Hossein Mousavi while taking part in a rally marking Quds (Jerusalem) Day in Tehran on September 18, 2009. Iranian opposition supporters fought running battles with riot police and hardliners as tens of thousands mounted the first protest in two months against the re-election of hardline President Mahmoud Ahmadinejad.