U.K. to form extremist group task force

LONDON, ENGLAND - MAY 23: A man contemplates at a scene where flowers lay, outside Woolwich Barracks on May 23, 2013 in London, England. A British soldier was murdered by suspected Islamists near London's Woolwich Army Barracks yesterday in a savage knife attack. British Prime Minister David Cameron has said that the 'appalling' attack appeared to be terror related. (Photo by Dan Kitwood/Getty Images)
LONDON, ENGLAND - MAY 23: A man contemplates at a scene where flowers lay, outside Woolwich Barracks on May 23, 2013 in London, England. A British soldier was murdered by suspected Islamists near London's Woolwich Army Barracks yesterday in a savage knife attack. British Prime Minister David Cameron has said that the 'appalling' attack appeared to be terror related. (Photo by Dan Kitwood/Getty Images)

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    U.K. to form extremist group task force

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Britain is forming a task force to examine extremist groups in the wake of an alleged terrorist attack.