Security Message for U.S. Citizens: UK National Security Threat Level Raised to Critical

U.S. Embassy Alert

U. S. Embassy London
Security Message for U.S. Citizens
UK National Security Threat Level Raised to Critical

September 15, 2017

The U.S. Embassy in London informs U.S. citizens that the government of the United Kingdom raised its national security threat level to critical on Friday, September 15.  A threat level of critical means that an attack is expected imminently.

More information about U.K. threat levels is available at the MI5 website.  There is no specific information available about the nature of any expected attack.

You should review your personal security plans, remain aware of your surroundings, including local events, and monitor local news stations for updates.  Be vigilant and take appropriate steps to enhance your personal security.


For further information