World champion Sebastian Vettel was uncatchable in Turkey, capturing his fourth pole in as many races this year. The German Red Bull driver set his fastest lap of one minute 25.079 seconds, then sat in the garage to watch his rivals fail to match him. Mark Webber joined his team-mate on the front row, 0.405secs behind, with Nico Rosberg third for Mercedes. McLaren's Lewis Hamilton and Jenson Button were fourth and sixth, sandwiching Fernando Alonso's Ferrari. Vettel has looked unstoppable in qualifying all year but this time he knew it as he and Webber opted not to do second runs in qualifying, leaving their rivals to try - and ultimately fail - to better Red Bull's times. The world champion had already proved how unshakeable he was, immediately getting up to speed on Saturday after sitting out practice on Friday afternoon because of a heavy crash. Read more here:- http://news.bbc.co.uk/sport1/hi/formula_one/13307427.stm