The current threat level from international terrorism for the UK is assessed as SEVERE.
The threat level for Northern Ireland-related terrorism is set separately for Northern Ireland and Great Britain (England, Wales and Scotland).
In Northern Ireland it is SEVERE and in Great Britain MODERATE.
SEVERE means that a terrorist attack is highly likely; SUBSTANTIAL that it is a strong possibility; MODERATE that an attack is possible, but unlikely.
Members of the public should always remain alert to the danger of terrorism and report any suspicious activity to the police on 999 or the anti-terrorist hotline: 0800 789 321. If your information does not relate to an imminent threat, you can also contact the Security Service via the How You Can Help us page on the M15 website.