The State Department urges American citizens across the globe to be cautious . Yemen , Algeria , Kenya and Somalia are considered particularly dangerous . The Middle East and Africa are the most unpredictable areas , with terrorist groups and pirates attacking recently in Yemen , Algeria , Kenya and Somalia , the statement said . Large cities or areas where Muslims gather could be targeted for extremist activities . American citizens abroad are encouraged to enroll in the Smart Traveler Enrollment Program .
The State Department urges American citizens across the globe to be cautious . Yemen , Algeria , Kenya and Somalia are considered particularly dangerous . Large cities or areas where Muslims gather could be targeted for extremist activities . American citizens abroad are encouraged to enroll in the Smart Traveler Enrollment Program .