In this Saturday, Nov. 21, 2015, file photo, soldiers from the presidential guard patrol outside the Radisson Blu hotel in Bamako after it was attacked by Islamic extremists armed with guns and grenades. Islamic extremists have displaced half a million people this year in the border area between Burkina Faso and Mali as their threat continues to spread in West Africa's Sahel region. The fighters linked to al Qaeda and the Islamic State group are exploiting military and government weaknesses as well as local grievances. A regional counterterror force has failed to stop the attacks and has become a target itself. (AP Photo/Jerome Delay, File)
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