Boris Johnson
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2012 Olympics: London Mayor Boris Johnson on 'huge challenges'

Events are being held in London to mark the start of the 2012 Olympic Games in one year's time.

London Mayor Boris Johnson has taken a tour of The Aquatics Centre in the Olympic Park, London.

There are "huge challenges" ahead but the right team is in place to deal with them, he said.

  • 27 Jul 2011
  • From the section UK
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