Terrorism
There is an ongoing threat of terrorism against the United Kingdom. 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 on 0800 789 321.
UK threat levels
The current UK's terror threat is Substantial, meaning a terror attack on British soil is considered 'likely'.
More information on threat levels can be found on the MI5 website.
Government guidance: