Current UK Threat Level INCREASE- Updated April 2026
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
The threat to the UK (England, Wales, Scotland and Northern Ireland) from terrorism is SEVERE.
The threat to Northern Ireland from Northern Ireland-related terrorism 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 highly unlikely
- MODERATE means an attack is possible, but not likely
- SUBSTANTIAL means an attack is likely
- SEVERE means an attack is highly likely
- CRITICAL means an attack is highly likely in the near future
Threat levels do not have an expiry date. They can change at any time as different information becomes available.
