Cycling: Dan Martin wins stage six of the Tour de France, Greg van Avarmaet retains overall lead

The Sixth stage of the 2018 Tour de France looked to be one for the climbers, with two passes of the fearsome Mur de Bretagne awaiting at the end of the 181-kilometre course from Brest to Guerledan. Dan Martin climbed to victory in stage six of the Tour de France, while Greg van Avermaet held on to the overall leader's yellow jersey.