Security Alert Issued for Americans Visiting UK and Europe

Image: London, UK cityscape. (Photo Credit: Mistervlad/Adobe)
Image: London, UK cityscape. (Photo Credit: Mistervlad/Adobe)
Laurie Baratti
by Laurie Baratti
Last updated: 4:40 PM ET, Sun April 26, 2026

The U.S. Embassy in London issued an alert Friday urging Americans to “exercise increased caution” when visiting Jewish and American sites in the U.K. and across Europe amid a recent uptick in threats.

"The U.S. Embassy in London notes recent attacks and threats targeting Jewish and American institutions in the United Kingdom and Europe," the alert said, according to Fox News. "U.S. citizens, particularly those visiting institutions serving Jewish or American interests, should remain alert and exercise increased caution."

The warning comes after several antisemitic attacks, including an arson strike on ambulances tied to a Jewish charity in London on March 23, an April 18 incident at a synagogue in the city’s Kenton area and an explosion at a Jewish school in Amsterdam. No one was hurt in the school attack, but the structure itself was damaged. Officials called it a "targeted attack against the Jewish community."

Authorities in the U.K. are looking into whether “thugs for hire”, potentially with backing from Iran, are behind the incidents in London, according to reports. 

In the meantime, the embassy is telling U.S. travelers to remain alert—not just at specific sites but also in busy areas like tourist hotspots, expat neighborhoods and places of worship. It’s also a good idea to check local news and have a general safety plan in place.

Travelers can also sign up for the State Department’s Safe Traveler Enrollment Program (STEP), which sends alerts and helps officials contact you if something happens.


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Laurie Baratti

Laurie Baratti

Assistant Editor

Laurie Baratti is an Assistant Editor for TravelPulse. She is a San Diego-based journalist whose work has previously appeared in publications like TravelAge West, SPACE, Modern Home + Living, Montage, and Sandals Life magazines. Travel writing has long been her passion, and she is always looking for excuses to explore the world outside of her native California. Laurie is also a lifelong equestrian, a proud pet-parent, and an underground advocate of the Oxford comma.

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