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 United Kingdom, the City of London is among the 30 that have Lord Mayors (or, in Scotland, Lords Provost). The Lord Mayor is entitled to the style The Right Honourable; the same privilege extends only to the Lord Mayors of York, Cardiff and Belfast, and to the Lords Provost of Edinburgh and Glasgow. The style, however, is used when referring to the office as opposed to the holder thereof; thus, "The Rt Hon Lord Mayor of London" would be correct, while "The Rt Hon Jeffrey Mountevans" would be incorrect. The latter prefix applies only to Privy Counsellors. A woman