Hundreds of thousands of people have taken part in demonstrations around the world against the Iranian government, following calls from the exiled son of the late shah for a "global day of action". Addressing an estimated 250,000 people in Munich, Reza Pahlavi - who has called for the overthrow of the Iranian government - denounced the crackdown on recent protests. Munich, Los Angeles, and Toronto saw the largest crowds on Saturday, with smaller protests in cities including Tel Aviv, Lisbon,