Iran's Disputed Election. PLZ UPLOAD PICTURS A supporter of defeated Iranian presidential candidate Mir Hossein Mousavi shouts slogans during riots in Tehran on June 13, 2009. Hardline incumbent Mahmoud Ahmadinejad was declared winner by a landslide in Iran's hotly-disputed presidential vote, triggering riots by opposition supporters and furious complaints of cheating from his defeated rivals. Supporters of Mir Hossein Mousavi march through Valiasr Street during riots in Tehran on June 13, 2009. Protestors set fires in a main street in Tehran, Iran in the early hours of Monday, June 15, 2009. Iran's supreme leader ordered Monday an investigation into allegations of election fraud, marking a stunning turnaround by the country's most powerful figure and offering hope to opposition forces who have waged street clashes to protest the re-election of President Mahmoud Ahmadinejad. Young men run past a burning bus during a riot in Tehran on June 13, 2009.