Olympics athletics: Hitchon sets new GB record in hammer
Sophie Hitchon sets a new British record in the hammer competition at the London 2012 Olympics.
Hitchon, 21, threw 71.98m on her third qualifying throw to give a good chance of reaching Friday's final.
Hitchon said she knew the throw was a good one as soon as she let go of it.
Watch the full session on the BBC Sport Interactive Video Player.
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