Europe on alert
The Obama administration on Sunday warned Americans of potential terrorist threats in Europe and urged them to be vigilant in public places, including tourist spots and transportation hubs
French soldiers patrol under the Eiffel Tower in Paris, Sunday, Oct. 3, 2010. The State Department cautioned Americans traveling in Europe to be vigilant because of heightened concerns about a potential al-Qaida terrorist attack aimed at U.S. citizens and Europeans.Laurent Cipriani
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