Jessica Ennis sets new world record in 100m hurdles

British heptathlete Jessica Ennis has set a new heptathlon world record in the women's 100m hurdles - the first event in the heptathlon. She ran a time of 12.54 seconds.

It is the first event of seven in the Olympic heptathlon.

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Jessica Ennis wows London

Jessica Ennis realised her Olympic dream on Saturday as she claimed gold in the heptathlon.