This Oct. 8, 2012 satellite image provided by DigitalGlobe shows the Amenas Gas Field in Algeria, which is jointly operated by BP and Norway's Statoil and Algeria's Sonatrach. Algerian special forces launched a rescue operation Thursday at the plant in the Sahara Desert and freed foreign hostages held by al-Qaida-linked militants, but estimates for the number of dead varied wildly from four to dozens. (AP Photo/DigitalGlobe)
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