Current UK threat level

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Thursday, 22 March 2018

Current UK threat level

The current threat level from international terrorism is Substantial
This means that a terrorist attack is a strong possibility.

Terrorism related to Northern Ireland
The threat level for terrorism related to Northern Ireland is set separately for Northern Ireland and Great Britain:

In Northern Ireland it is Severe
This means that a terrorist attack is highly likely.

In Great Britain it is Substantial
This means that a terrorist attack is a strong possibility.

What are threat levels?
The system of threat levels has been created to keep you informed about the level of threat the UK faces from terrorism at any given time. This system helps police and other law enforcement agencies decide how to allocate staff. The threat level represents the likelihood of an attack in the near future.

The threat levels
There are five levels of threat:

  • critical – an attack is expected imminently
  • severe – an attack is highly likely
  • substantial – an attack is a strong possibility
  • moderate – an attack is possible but not likely
  • low – an attack is unlikely

Source – UK Home Office

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