Terrorism threat in UK 'growing'

There are more Islamist extremists involved in active in the UK than prevously thought.

The document also states the UK will remain "a high-priority target" for al-Qaeda for the foreseeable future.

The head of MI5, Jonathan Evans, warned in November last year that there were at least 2,000 people in the UK who posed a threat to national security because of their support for terrorism.

Ther report also said "The overwhelming majority of extremists are male, typically in the 18-30 age range."