25 January 2010
The current threat level is assessed as SEVERE (as of 22nd January 2010 - see threat level history for previous changes).
This means that a terrorist attack is highly likely.
See The UK's threat level system for more information on what threat levels mean, who decides the level of threat and how the threat level system is used.
The Government continues to maintain a state of heightened readiness in response to the threat from international terrorism. It remains the Government's policy to issue warnings or advice if this ever became necessary to protect public safety in the event of a specific and credible terrorist threat.
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.
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