Security forces have raided the office of Iran’s top opposition leader and seized computers after days of intimidating visitors with a heavy force presence around the building.

Iranian security forces stormed a series of opposition offices today, rounding up at least seven prominent anti-government activists in a new crackdown against the country’s reformist movement, opposition websites and activists reported.

Iranian security forces beat protesters in central Tehran today, a sign of mounting tensions ahead of planned opposition rallies to mark a religious festival and the death of a dissident cleric a week ago.

IRANIAN security forces beat anti-government protesters with batons yesterday on the sidelines of state-sanctioned rallies to mark the 30th anniversary of the US Embassy takeover.

IRANIAN security forces have detained one of Osama bin Laden’s sons among several hundred people suspected of links to the al-Qaida terror network, the Financial Times reported on its website on Saturday.