The document, which was drawn up by the intelligence branch of the Ministry of Defence, MI5 and Special Branch, states that "some thousands" of extremists are active in the UK. They are predominantly UK-born and aged between 18 and 30, and many are believed to have been trained in overseas terrorist camps. Under the heading "International Terrorism", the report, which is marked "restricted" states: "For the foreseeable future the UK will continue to be a high-priority target for international terrorists aligned with al-Qaeda. It will face a threat from British nationals, including Muslim converts, and UK-based foreign terrorists, as...