Counter-terrorism

Information about the Home Office's work fighting terrorism.

The Home Office is responsible for keeping the UK safe from the threat posed by terrorism.

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Report suspicious activity

If you know of a threat to national security or you want to report suspicious activity you can: 

You can also report extremist and terrorist website content on the Directgov website.

You can remain anonymous, and you may save lives. In an emergency you should always call 999.