The Prime Minister faces criticism over his policy towards the radicalisation of young British Muslims from Muslims themselves
Hundreds have travelled to Syria and Iraq to join Islamic State and other extremist groups, apparently including the man who murdered journalist James Foley on-screen.
A top adviser to the Muslim Council of Britain has told ITV News that firmer action is required from David Cameron.
ITV News Political Correspondent Carl Dinnen reports:
A British family have told ITV News of their devastation after discovering a close relative is fighting with the Islamic State in Iraq.
A French journalist who was held hostage with James Foley in Syria has told ITV News it was "devastating" to see his murder.