Prime Minister David Cameron told MPs the Government will not stand for extremists or "groups like the English Defence League who try to demonise Islam and try and stoke up anti-Muslim hatred".
Mr Cameron said in a statement to the House of Commons, "It is as if for some young people there is a conveyor belt to radicalisation that has poisoned their minds".
More top news
Another unsettled day with cloud, rain and blustery winds.
Charaf Elmoudden, 26, has been found guilty at Harrow Crown Court of burgling pop star Rita Ora's home.
Buried here are the men of the 10th West Yorks, the unit that suffered the heaviest losses on the first day of the Somme.