London terror: The British wake up for a few seconds before going back to sleep

London (CNN) -- In the wake of an alleged terrorist attack on one of its soldiers, Britain is forming a task force that will examine the forces behind extremist groups in the country, Prime Minister David Cameron's office announced Sunday.

The group, led by Cameron, will "have a general focus on extremist groups, but accept that in practice the greatest threat is from Islamist extremists," a statement from Downing Street said.

The Muslim Council of Britain said the task force needs to look at "extremism from all quarters" while forming an effective strategy.

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