Our Olympics Correspondent Simon Harris is tweeting from a briefing on the London 2012 Opening Ceremony.
Artistic director Danny Boyle (who directed the Oscar-winning film Slumdog Millionaire) is describing his vision for the show.
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Rob Young has run more than a marathon a day for the last 12 months.
The hospital where the Duchess of Cambridge is due to give birth has had a superbug outbreak.
The London Marathon brings together thousands of people raising money for charity - not to mention some rather unusual costumes.