The US Embassy in London on Friday warned Americans to “exercise increased caution” while visiting Jewish and American areas in the UK and in Europe because of a  recent rise in threats . “The US Embassy in London notes recent attacks and threats targeting Jewish and American institutions in the United Kingdom and Europe,” the alert said. “US citizens, particularly those visiting institutions serving Jewish or American interests, should remain alert and exercise increased caution.” The embassy further advised Americans to remain alert while visiting tourist and expat areas and houses of worship, review personal security plans and to check local media for updates. Charred remains of Jewish community ambulances after they were set on fire in north London, March 23, 2026. REUTERS Concerned citizens can also enroll in the State Department’s  Safe Traveler Enrollment Program (STEP)  to receive travel and security updates.…