Excerpt:
The Government is set to take a firmer stance against Muslims who fail to oppose Islamist extremism.
In a speech to be delivered to an audience of Muslim men and women in Birmingham, David Cameron is expected to announce that only those in the Muslim community willing to take a stand against jihadist violence will be supported and those who "walk up to the border of illegality" will be denounced.
A Downing Street source told The Independent on Sunday: "There are people in the Muslim community who walk up to the border of illegality with the aim of radicalising others – they are the equivalent of David Irving denying the Holocaust.