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 State Robes by means of black or white silk satin ribbons on the shoulders. As an Alderman of the City of London the Lord Mayor has a scarlet gown and a violet gown, which are identical to those worn by his or her fellow aldermen except that they are trained. The violet robe is worn at most formal meetings of the Corporation with the scarlet robe substituted on certain days or occasions as directed by the City Ceremonial Book. For State occasions when the monarch is present, the Lord Mayor wears a crimson velvet robe of state trimmed with an