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6 July 2005, Singapore: Athlete Denise Lewis jumps for joy after London is announced as host of the 2012 Olympics. Mayor Ken Livingstone is more sanguine 15 May 2006: Venezuelan President Hugo Chavez speaks to the press with Livingstone during a visit to City Hall
Twenty-five years ago this month, the first mayor of London was elected.
Three men have held the office. Ken Livingstone was elected in 2000 as an independent candidate and then won for Labour in 2004.
He was denied a third term in office in 2008 by Conservative Boris Johnson, who was succeeded after two terms in 2016 by the incumbent, Labour's Sadiq Khan.
The three mayors have at least one thing in common – an eye for a photo opportunity.
To celebrate 25 years of London's mayors, here are some memorable images.
