Supporters of Iran's hardline President Mahmoud Ahmadinejad (portraits) wave national flags during a massive rally to celebrate his victory in the presidential elections in Tehran's Valiasr square Ahmadinejad defended his June 12 re-election but his defeated rival, Mir Hossein Mousavi, demanded the result be scrapped, setting the stage for further tense confrontations after the authorities cracked down on opposition protests,Tehran-Iran 14/06/2009