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Photo by: Francois Mori

**FILE** Police patrol under the Eiffel Tower in Paris on Monday, Sept. 20, 2010, as part of the reinforcement of security. The director of France's national police said Wednesday that the threat of a terrorist attack on French soil is at its highest as authorities suspect al Qaeda's North African affiliate may be plotting a conventional bomb attack on a crowded target. (AP Photo/Francois Mori)

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