Mehdi Karroubi, an opposition leader in Iran, has said his house was surrounded by Revolutionary Guards to prevent him from participating in al-Quds day on September 3.<br /><br />His website claims that his house was attacked by a mob, which smashed windows and beat up a member of his security.<br /><br />Last year opposition figures used the rally to protest against the government.<br /><br />Speaking to Al Jazeera, Potkin Azar-mehr, an Iranian blogger in London who has been in touch with sources in Iran, says the attack is not the first.<br /><br />Air date: September 3, 2010
