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Reporting possible terrorist or extremist activity helps us prevent terrorism and save lives.
Any piece of information could be important. Even if you’re not sure, please let us know so that we can investigate. Action will only be taken after the appropriate checks have been carried out.
The Met hosts this reporting service on behalf of all UK police forces.
Report possible terrorist activity
If you think this might be urgent or time critical, please call the Anti-Terrorist Hotline on 0800 789 321.
Alternatively, click 'Start' to complete our quick and simple online form. Our team will review the information and get back to you if necessary.
Both services are monitored 24 hours a day.