Anti-terror assessor David Anderson has said it is a concern that two terror suspects have absconded.
Speaking to the Home Affairs Committee, the UK Independent Reviewer of Terrorism called Tpims a slightly unhappy compromise.
Tpims, or Terrorism Prevention and Investigation Measures, were introduced last year to monitor terror suspects.
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It is a wet and windy picture for many tonight, with the worst in the northwest.
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Canadian MPs have credited Sergeant-at-Arms Kevin Vickers with shooting a suspect during the attack on Ottawa's parliament buildings.