BBC Sport - Rio 2016 Olympics: Nikki Hamblin and Abbey D'Agostino help each other

Fallen pair help each other after 5,000m collision

New Zealand's Nikki Hamblin and Abbey D'Agostino of the US help each other after colliding in their 5,000m heat at the Rio Olympics.

The two runners have been reinstated in Friday night's final by the organisers, but D'Agostino will not be able to compete after tearing her anterior cruciate knee ligament.

You can watch full coverage of the event here.

If you want to find out more about getting into athletics, take a look at our special guide.

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