Eventer Laura Collett tries out an air jacket
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Eventer Laura Collett: 'An air jacket saved my life'

6 September 2013 Last updated at 07:54 BST

Falls are a risk that horse riders accept from a young age, but after two riders died in recent competitions and one was seriously injured, the safety of the sport is once again under scrutiny.

Eventer Laura Collett was in a coma for six days after falling off her horse in July.

Paramedics say she only survived thanks to a piece of equipment called an "air jacket".

BBC Breakfast's John Maguire reports.