United States of America overall
Advice is current for Friday, 28 November 2008.

This advice has been reviewed and reissued. It contains new information in the Summary and under Safety and Security: Terrorism (update). The overall level of the advice has not changed. Summary •We advise you to exercise caution and monitor developments that might affect your safety in the United States because of the risk of terrorism.

•Pay close attention to your personal security and monitor the media for information about possible new safety or security risks. •The United States Department of Homeland Security's Advisory System Threat Level is at Orange for all domestic and international flights, indicating a "high" risk of terrorist attack. It is at Yellow or "elevated" for all other sectors, indicating a significant risk of terrorist attack. •On 26 November 2008, US media reported that security measures have been stepped up in subways and mass-transit stations following unsubstantiated reports that terrorists are planning attacks on New York’s transit system. •