Counter-terror chiefs have taken steps to prevent a banned organisation - which once praised the 9/11 attacks - circumvent the law by changing its name.

Alternative names for proscribed organisation Al-Muhajiroun, which once held a conference called The Magnificent 19 to praise the terrorists who attacked the Twin Towers in New York in 2001, have been covered by a new banning order.

More recently, it emerged Michael Adebolajo, the man convicted of murdering Fusilier Lee Rigby in a broad daylight attack in Woolwich, attended Al-Muhajiroun meetings and demonstrations.

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