Iran Issues Warning of Severe Response to Demonstrators

<br /> LONDON (Reuters) - Iran warned of a tough crackdown on Sunday against demonstrators who pose one of the most audacious challenges to its clerical leadership since nationwide pro-reform unrest jolted the Islamist theocracy in 2009. Tens of thousands of people have protested across the country since Thursday against the Islamic Republic’s unelected clerical elite and Iranian foreign policy in the region. They have also chanted slogans in support of political prisoners. <br />