French President Francois Hollande gestures as he delivers a speech to foreign ambassadors during a ceremony to extend New Year wishes at the Elysee Palace in Paris on Friday. Jacques Brinon/AP hide caption

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A picture of French tourist and mountain guide Herve Gourdel, 55, who was killed after being kidnapped on Sept. 21 while hiking in Algeria's Djurdjura National Park. The leader of the group that killed Gourdel has been killed in a military attack. Farouk Batiche/AFP/Getty Images hide caption

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This still image from video published on the Internet on Wednesday by a group calling itself Jund al-Khilafah, or Soldiers of the Caliphate, shows members of the group standing behind French mountaineer Herve Gourdel just before beheading him. AP hide caption

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Smoke rose Sunday during demining operations at the gas plant in eastern Algeria that Islamist militants attacked last week. Louafi Larbi /Reuters /Landov hide caption

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Algerian men look at national newspapers headlining the terrorist attack and kidnapping in Amenas at a news stand in Algiers on Thursday. Ouahab Hebbat/AP hide caption

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Islamist militants raided the In Amenas natural gas field (pictured) in Algeria on Wednesday and took several hostages. BP/AP hide caption

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