The cyclists jostled and nudged each other as they fought for the gold and the resulting collision sent both men crashing to the ground.
WHAT A STOREYSarah Storey bags stunning 14th gold medal to take Great Britain's Rio 2016 tally to 60
Paralympic PeleVideo of outrageous goals by Brazilian footballer Jefinho — which evoked memories of Ronaldinho
Wonder-walArsenal forward Theo Walcott scores his 100th career goal 11 years after first senior strike
City slickersManchester City 4 Bournemouth 0: On-fire Kevin de Bruyne leads Pep's men to fifth straight win
Gebru, 31, who fled Eritrean-Ethiopian war as a teenager, was only granted the right to compete for the Netherlands' Paralympics team 10 weeks ago.