Escorted by his bodyguards, opposition leader Mir Hossein Mousavi, center left at rear, attends Quds Day rally as a government supporter tries to attack him in Tehran, Iran, Friday, Sept. 18, 2009. Thousands of opposition supporters held protests in competition with government-sponsored mass rallies to mark an annual anti-Israel commemoration, Quds Day, that reflects the Persian nation's sympathy with the Palestinians.