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** FILE ** A group of people believed to be hostages kneel in the sand with their hands in the air at an unknown location in Algeria in this image made from video. Algerian demining teams were scouring a gas refinery on Sunday, Jan. 20, 2013, that was the scene of a bloody four-day standoff, searching for explosive traps left by the Islamist militants who took dozens of foreigners hostage. (AP Photo/Ennahar TV)

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