Some 300 people gather outside one of Istanbul's main mosques on Friday protesting a film they say insults the Prophet Mohammad.<br/> <br />They chanted anti-US slogans and waved placards reading "God damn America" and "The United States is responsible for what happened" outside Beyazit Mosque.<br/> <br />The controversial film which mocks the Prophet has triggered widespread condemnation across the Muslim world.<br/> <br />It also led to the killing of U.S. ambassador Christopher Stephens in an attack on the American diplomatic mission in Libya on Tuesday.<br/> <br />In Yemen, one person died and 15 were injured on Thursday when the U.S. embassy compound was stormed.