ROUGH CUT - NO REPORTER NARRATION<br/> <br />Iranian students protested outside the Swiss embassy in Tehran on Thursday (September 13, 2012) against an anti-Islam film that sparked violent reactions in several Muslim countries and the killing of the U.S. ambassador to Libya.<br/> <br />State-controlled Press TV showed video footage of a group of protesters holding banners, chanting slogans and burning a copy of the U.S. flag.<br/> <br />Additional security forces were deployed around the embassy, which looks after U.S. interests in Iran where Washington has no diplomatic relations,<br/> <br />Fars news agency reported. It gave no estimate of the size of the protest.<br/> <br />There has been no reported official reaction from Iran to the killing of the U.S. ambassador and three other diplomats in Libya.<br/> <br />The film has also been repeatedly condemned by the U.S. government and also by a wide swathe of U.S. public opinion.