It is reported at least one person has been killed as gunmen opened fire at an opposition rally in Iran, where tens of thousands of reformist opposition supporters have defied the government.
News agencies quote witnesses as saying many people have been wounded at the rally, which authorities had earlier tried to ban. Defeated presidential candidate Mirhossein Mousavi is quoted as saying he is ready to take part in a new election. In a surprise move, Supreme Leader Ali Khamenei has ordered the watchdog Guardian Council to look into complaints of fraud. Mahmoud Ahmadinejad was declared the winner after elections on Friday.