article_snippet.sent: Nico Rosberg topped the timesheet with a lap of one minute 34.647secs, finishing 0.115secs quicker than team-mate Lewis Hamilton after the reigning champion locked up in the second sector, costing the reigning champion four tenths of a second.
article_snippet.sent: Nico Rosberg (left) trails team-mate Lewis Hamilton by 17 points in the drivers' standings ahead of Sunday's race .
article_snippet.sent: But the 29-year-old topped the timesheet with a lap of one minute 34.647secs during Friday practice .
article_snippet.sent: Vettel, 13 points adrift of team-mate Lewis Hamilton, endured a disruptive day as a loss of power compromised FP1, whilst a collision with Sergio Perez in Sergio Perez Force India hampered FP2.
article_snippet.sent: McLaren's Jenson Button also suffered a wretched day with technical issues in both sessions, resulting in a lack of running that left McLaren's Jenson Button down in 19th position, 4.5 seconds behind Rosberg and sandwiched between Manor duo Will Stevens and Roberto Merhi.
highlights_snippet.sent: Nico Rosberg was faster than team-mate Lewis Hamilton during Friday practice .