Vettel goes fastest in second practice
Sebastian Vettel was quickest in second practice in Singapore, completing a strong start to the weekend that could see him crowned world champion for the second straight year. The Red Bull driver set the early practice two pace with a 1m47.375s lap - 0.7 seconds ahead of team-mate Mark Webber as the champion squad dominated the initial running. Those times stood until drivers began switching to super-soft tyres in the second half of the session.
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