Mayor of London the winner hours earlier. Mr Sadiq Khan, a member of the Labour party, is the first Muslim to be elected Mayor of London. Incumbent Mayor Boris Johnson did not run for re-election for a third term in office, as he had been elected the Member of Parliament for the Conservative Party in Uxbridge and South Ruislip in the 2015 General Election. Most powers are derived from the Greater London Authority Act 1999, with additional functions coming from the Greater London Authority Act 2007, the Localism Act 2011 and Police Reform and Social Responsibility Act 2011. The main functions are: The
Lord Mayor of London the Foreign Secretary addresses an audience of international dignitaries. The Lord Mayor sometimes takes part in major state occasions, for example in 2013, the then-Lord Mayor, Roger Gifford carried the Mourning Sword at Margaret Thatcher's Funeral, processing ahead of the Queen and Prince Philip, Duke of Edinburgh, into St Paul's Cathedral. The Lord Mayor performs numerous other functions, including serving as the Chief Magistrate of the City of London, Admiral of the Port of London, Rector of City, University of London, President of Gresham College, President of City of London Reserve Forces and Cadets Association, and Trustee of St Paul's