Watch: Tom Dumoulin lashes out at Colombian fan pushing Nairo Quintana up the Stelvio

Bauke Mollema also wasn't happy about the fan's actions

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Nairo Quintana had a few metres of extra help up the Passo dello Stelvio on stage 16 of the Giro d'Italia as he received a nice little push from a Colombian fan.

Riding on the right hand side of the group of favourites as the race made its way up the 21.7km climb, the Movistar received a push for a few seconds from a fan wearing a Colombian football shirt running alongside the group.

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While Quintana looked fairly relaxed about this extra assistance, Bauke Mollema and race leader Tom Dumoulin were less happy, lashing out at the fan who lent backwards to skilfully avoid Dumoulin's right jab.

It was the first sign of a little bit of stress for Dumoulin, who had looked very cool for the first 140km to the stage, with domestique Chad Haga even getting a bit of air on the first descent of the day.

The incident took place around 86km into the 222km stage, around midway up the climb.