Demonstrators calling for sharia law to be imposed in Britain have cancelled a march in central London amid security fears. Anjem Choudary, leader of the radical Islamic sect Al Muhajiroun, said organisers Islam4UK had been forced to cancel the planned march from the Houses of Parliament to Trafalgar Square because of security concerns. The Islamic Society of Britain, which was planning to join other organisations in staging a "dignified, non-violent" counter-demonstration, hailed the cancellation as a "great success". A spokesman said: "Pressure from all sections of the community, including Muslims, has resulted in the Muhajiroun and the hot-heads rethinking their...