An investigation by The Sunday Telegraph has established that fundamentalist groups in the Syrian civil war are recruiting growing numbers of young people from Britain with no previous links to the country. MPs, community leaders and anti-extremism campaigners are deeply worried that a new generation is being radicalised in Syria, in the same way as British bombers and terror plotters of the past decade were schooled along the Afghan-Pakistan border. But the British security authorities appear to be taking little or no action.