Formula 1 moves to Istanbul Park for the sixth staging of the Turkish Grand Prix. The 3.3-mile track provides the first anti-clockwise race of the season with championship leader Mark Webber looking for a third successive win
Sebastian Vettel, who is level on 78 points with his Red Bull team-mate Webber, is among those out early for Friday morning's opening practice session
Felipe Massa is the most successful driver at the Istanbul Park track, winning three of the five previous races, but he is down in 13th after the first practice session
Massa is more than two seconds behind McLaren's Lewis Hamilton, who sets the fastest time of the morning - one minute 28.653 - one second quicker than team-mate Jenson Button
Germany's Michael Schumacher pips Mercedes team-mate Nico Rosberg to third spot while Red Bull duo Vettel and Webber are fifth and eighth
The session ends with a big crash for Adrian Sutil at the notoriously tricky triple-apex at Turn Eight. The Force India driver had earlier posted the 10th quickest time of the first session
Jenson Button looks relaxed in the heat of Istanbul ahead of the second session
The cool Englishman is hot on the Turkish track in his McLaren and posts the fastest time of the two sessions - one minute 28.280 seconds
Red Bull pick up the pace in the second session with Australian Mark Webber (pictured) finishing second fastest while team-mate Sebastian Vettel is fractionally slower in third
Lewis Hamilton, like team-mate Button, is hoping to seriously challenge the Red Bulls this weekend - the former champion finishes fourth fastest
Ferrari's Fernando Alonso sits patiently in the garage before going out - he improves from ninth quickest to fifth fastest. Sunday's race will be Ferrari's 800th F1 GP.
Team-mate Massa, who is understood to be part of Ferrari's plans next season, ends the day 10th fastest
The Mercedes cars run well on the Friday with Nico Rosberg (pictured) and Michael Schumacher hoping their vehicles stay reliable on Sunday
What are these?
E-mail this to a friend 
Bookmark with:
What are these?