Britain's Helen Jenkins seals world triathlon title

The closing stages of the triathlon World Series Grand Final in Beijing, where Andrea Hewitt beats Britain's Helen Jenkins in a sprint finish, but second place is good enough for Jenkins to clinch the world championship title, external.

Jenkins's achievement crowns a year in which she also won the London triathlon, external over the 2012 Olympic course.

The Welsh triathlete follows in the footsteps of Yorkshire's Alistair Brownlee who sealed the men's title ahead, external of younger brother Jonny.