Afghan troops opened fire on demonstrators Monday, leaving at least four people dead, while Iranian police used tear gas to disperse hundreds of protesters hurling stones and firebombs at the Danish Embassy in Tehran as anger mounted over the publication of caricatures of the Prophet Muhammad. Police had encircled the walled brick villa housing the Danish mission in the Iranian capital, but the crowd of about 400 protesters ignored orders to break up, only running into a nearby park after tear gas was fired. Earlier in the day, 200 student demonstrators threw stones at the Austrian Embassy, breaking some windows and starting small fires. Full Story