Mass Mourning: A son of Ammar Badie prays during his father's funeral Sunday. Mr. Badie, a son of the Muslim Brotherhood's spiritual leader Mohammed Badie, was killed by Egyptian security forces Friday during clashes in Cairo. (Associated Press)

Mass Mourning: A son of Ammar Badie prays during his father's funeral Sunday. Mr. Badie, a son of the Muslim Brotherhood's spiritual leader Mohammed Badie, was killed by Egyptian security forces Friday during clashes in Cairo. (Associated Press)