Current threat from international terrorism
The current threat level for international terrorism in the UK is SEVERE.
Current threat from Northern Ireland-related terrorism
The threat level for Northern Ireland-related terrorism is set separately for Northern Ireland and Great Britain (England, Wales and Scotland).
The current threat level for Northern Ireland-related terrorism in Northern Ireland is SEVERE.
The current threat level for Northern Ireland-related terrorism in Britain is SUBSTANTIAL
What the threat levels mean
Threat levels are designed to give a broad indication of the likelihood of a terrorist attack.
LOW means an attack is unlikely.
MODERATE means an attack is possible, but not likely
SUBSTANTIAL means an attack is a strong possibility
SEVERE means an attack is highly likely
CRITICAL means an attack is expected imminently