Tighter security ordered for some US-bound flights
(CNN) -- The Obama administration is stepping up security for some flights headed to the United States from Europe and the Middle East, reflecting heightened concern that terrorists are developing more sophisticated explosives designed to avoid airport ...
US Wants 'Enhanced' Security at Foreign AirportsNBCNews.com
US to implement 'enhanced security measures' at overseas airportsReuters
US increases airport security worldwide, following report of increased terror threatFox News
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