who do n't believe the results to use proper legal avenues , such as requesting a recount they could observe . Watch Khamenei deny allegations of vote-rigging '' He did not , however , issue a call for a new vote -- a move that opposition leaders such as Mir Hossein Moussavi have been demanding . Instead , he passionately defended the election as he addressed a crowd at Tehran University . The election is expected to be a topic of conversation on Saturday before the Guardian Council , which supervises the country 's elections . A council official said the body has invited three candidates -- Moussavi , Mehdi Barrubi , and Mohsen Rezaie -- to its meeting to discuss any issues they see fit , according to the Islamic Republic News Agency . Watch Khamenei defend the outcome of the election '' More protest rallies are planned for Saturday -- one sponsored by supporters of opposition candidates Moussavi and Karrubi and another by supporters of former President Mohammed Khatami . While both camps said they had no plans to cancel the marches , the Interior Ministry told FARS news agency there were no permits issued for either event
TEHRAN , Iran -LRB- CNN -RRB- -- Iran 's supreme leader is warning the thousands of people who have been protesting last week 's presidential vote to maintain self-restraint or face a stiff reaction from authorities . Ayatollah Ali Khamenei speaks to a crowd in Tehran during Friday prayers . Members of the opposition -- who have staged noisy demonstrations for the last six days to protest what they believe was a rigged election -- are weighing their options after Supreme Leader Ayatollah Ali Khamenei drew a line in the sand during his all-important sermon during Friday prayers . The supreme leader declared last week 's presidential election a `` definitive victory '' for President Mahmoud Ahmadinejad and sloughed off charges of vote tampering . `` Any extremist move will fan up another extremist move , '' said Khamenei , who criticized the street protests and said those who caused violence during demonstrations would be held accountable . `` If the political elite want to ignore law and break the law and take wrong measures which are harmful willy nilly , they will be held accountable for all the violence and blood and rioting . '' Khamenei called on those