Boris Johnson
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Election 2015: London Mayor Boris Johnson helps Tory push

The Mayor of London Boris Johnson has joined David Cameron in a final push to win over the capital's voters for the Conservatives.

As the last stages of the election campaigns get under way the pair have been travelling around the city's key battlegrounds.

BBC London's political correspondent Karl Mercer reports.

  • 05 May 2015
  • From the section London