US warns Americans to stay vigilant as terror risk looms at major vacation hot spot

Americans are being warned to exercise increased caution when traveling to one of Europe's most popular tourist destinations amid multiple terrorism-related arrests in recent months.

The State Department updated its "Level 2: Exercise Increased Caution" travel advisory for Italy on Thursday — keeping the country at the same advisory level while revising its summary.

Italy draws millions of visitors with its beaches, quaint villages and iconic ancient Roman landmarks.

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