Iran's opposition issued fresh calls for freedom on Saturday as police and militiamen patrolled central Tehran on the one-year anniversary of a disputed election that triggered deadly protests. Opposition leaders Mir Hossein Mousavi and Mehdi Karroubi called off plans to stage new rallies against President Mahmoud Ahmadinejad over safety concerns, but vowed their agitation against his re-election would continue.Duration: 01:33
