Chris Froome extends Vuelta a España lead as rivals struggle on stage five

• Team Sky rider increases his overall advantage to 10 seconds
• Astana rider Alexey Lutsenko wins first grand tour stage of his careerChris Froome increased his lead in the Vuelta a España during a fifth stage won by Alexey Lutsenko of Kazakhstan.Froome started the day two seconds ahead of a trio of riders and with most rivals inside a minute of him. But after most of them struggled through a hilly stage and then toiled on the first summit finish, Froome looks to be in command