Over the last year a quasi-religious turf war has sprung up on the streets of London. Young radicalised Muslim patrols are enforcing Shariah law in the capital. In reaction, far right Christian Patrols are also taking the law into their own hands. Alex Miller meets the leaders and footsoldiers in Britain's holy street patrols, the Anjem Choudary's followers Muslim Patrol and Paul Golding of Britain First's Christian Patrol, in the same area he lives and works, to find out just how effective their operations are, and how genuine their belief is in the battle for East London's streets.