The Muslim Council of Britain has attacked David Cameron as "erroneous, wrong and counter-productive" for suggesting that Muslim communities have given credence to extremist ideology.

The group, which represents Muslim opinion from more than 500 organisations, demanded that the Prime Minister present "clear evidence" to back up his assertions that Muslims were not doing enough to tackle extremism.

Former Conservative Cabinet minister Lady Warsi and Labour MP Yasmin Qureshi also criticised Mr Cameron over his speech.

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