Chris Froome took over the race lead at the Criterium du Dauphine after clinching victory on stage five on Friday.
The Team Sky rider launched an attack 2.5 kilometres from the summit of the final climb in the 140km route to Vaujany and was too strong for Richie Porte (BMC) as he crossed the line first to take the yellow jersey from Alberto Contador (Tinkoff).
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Froome and Porte finished 19 seconds ahead of Adam Yates (Orica-GreenEdge) and Dan Martin (Etixx-QuickStep), with Contador (Tinkoff) a further two seconds back.
The Briton, who is gearing up for a bid to land a third Tour de France title, finished the stage with a seven-second lead over Australian Porte in the overall standings, with Contador now back in third, 27 seconds behind.