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An elderly man from a Somali tribal clan carries an AK-47 and the Islamist black flag with the words ‘There is no God but Allah and Mohamed Is the Prophet of Allah’ as he vows to fight the Somali government forces and African Union peacekeeping troops in Mogadishu’s Maslah Square neighborhood, March 5, 2011 (Credit: AP Photo/Farah Abdi Warsameh)

An elderly man from a Somali tribal clan carries an AK-47 and the Islamist black flag with the words 'There is no God but Allah and Mohamed Is the Prophet of Allah' as he vows to fight the Somali government forces and African Union peacekeeping troops in Mogadishu's Maslah Square neighborhood, March 5, 2011 (Credit: AP Photo/Farah Abdi Warsameh)