FILE - In this Sunday, July, 28, 2013 file photo, a United Nations peacekeeper stands guard at the entrance to a polling station covered in separatist flags and graffiti supporting the creation of the independent state of Azawad, in Kidal, Mali. A bomb explosion killed several members of the U.N. peacekeeping mission in Mali in the troubled northern city of Kidal, a spokesman for the mission said Saturday, Dec. 14, 2013. (AP Photo/Rebecca Blackwell, File)
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