should exercise caution at holiday festivals, events, and
outdoor markets," it said in a statement, adding that there was
credible information that Islamic State, al Qaeda and their
affiliates continued to plan attacks in Europe.
The department noted extremists had carried out attacks in
Belgium, France, Germany and Turkey in the past year, and said
it remains concerned about the potential for attacks throughout
"U.S. citizens should exercise vigilance when attending large
holiday events, visiting tourist sites, using public
transportation, and frequenting places of worship, restaurants,
hotels, etc.," the statement said.
The travel alert expires on Feb. 20, 2017, it said.
(Reporting by Eric Walsh; Editing by Eric Beech and Dan Grebler)
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