Chris Froome extends advantage to 27 seconds at Tour de France

Chris Froome extended his lead in the yellow jersey as former ski jumper Primoz Roglic sailed over the Tour de France's highest mountain to win stage 17 into Serre-Chevalier.

Roglic went solo six kilometres from the top of the Col du Galibier and crested the summit with a 90-second lead before racing down the 28 kilometre descent to the finish.