Mayor of London Boris Johnson has again brushed off reports that he intends to return to the House of Commons at the 2015 general election.
Although Johnson's aides privately point out the precedents that could allow the politician to return to the House of Commons before the end of his mayoral term in May 2016, in public they have always refused to confirm that he is considering such an eventuality.
Here are 11 times Boris Johnson has been ruled out of running for parliament: