Europe : State security alert ##s Americans in Europe to be aware of surroundings . One senior U.S. official said earlier that in addition to the travel alert from the State Department , `` U.S. military installations are taking prudent precautions . Not believed the alert is a result of new intelligence , security is unknown . Alert comes in light of recent terrorist threat reports .
Europe : State security alert ##s Americans in Europe to be aware of surroundings . Not believed the alert is a result of new intelligence , security is unknown . Alert comes in light of recent terrorist threat reports .