The state department said "current information" suggested the Islamic State [IS] group, al-Qaeda, Boko Haram and others continued "to plan terrorist attacks in multiple regions".
The alert, it said, will remain in place until 24 February 2016.
France, Russia, Mali and several other countries have seen deadly attacks in the past month.
A US state department representative told BBC News there was "currently... no reason to believe that US citizens would be specifically targeted".
Meanwhile Belgium announced the capital Brussels would stay at the highest level of alert for another week over fears of militant attacks like those that killed 130 people in Paris on 13 November.
BBC
24/11/15
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U.S. travel warning calls for vigilance in public places, especially during holidays...
ReplyDeleteAmericans should be alert to the possible travel risks, especially during the holidays, following increased terrorist threats around the world, the State Department warned on Monday.
A travel alert, which is to be in effect until Feb. 24, said current information suggests that militants with the Islamic State, al-Qaida, Boko Haram and other terrorist groups continue to plan attacks in multiple regions. U.S. authorities said the likelihood of terror attacks will continue as members of IS return from Syria and Iraq, and other individuals not affiliated with terror groups engage in violence on their own.
Extremists have targeted sporting events, theatres, open markets and aviation targets. In the past year, there have been multiple attacks in France, Nigeria, Denmark, Lebanon, Turkey and Mali. IS has claimed responsibility for the Oct. 31 bombing of a Russian airliner in Egypt, killing 224 people........AP......http://www.ctvnews.ca/world/u-s-travel-warning-calls-for-vigilance-in-public-places-especially-during-holidays-1.2671589
24/11/15