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Associated Press
A injuried Tunisian police officer is helped by colleagues during clashes with radical Islamist movement Ansar al-Shariah supporters, in Ettadhamen, near Tunis, Sunday May 19, 2013. Tunisia's Interior Ministry on Friday banned a conference by the North African country's most prominent ultraconservative Islamic group, setting up the possibility of a confrontation over the weekend. (AP Photo/Nawfel)

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