May 26, 2017
Advice for security managers of crowded places following a change of threat level to CRITICAL
To complement the advice provided to you in the bridge call held on 24th May 2017 we undertook to provide supporting guidance, which I have the pleasure of circulating to you in the attached NaCTSO advice document - Advice for security managers following the change in threat level to critical.
You may wish to consider its contents in relation to your security planning. It will also be posted on the NaCTSO website (www.gov.uk/nactso ).
If you have any questions reading this advice please contact NaCTSO on email@example.com
In an emergency call 999 – For non emergencies call 101 – For the Anti-Terrorist Hotline call 0800 789321