In the round-up: Mercedes found Lewis Hamilton’s car was not producing as much downforce as it should during qualifying.
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Lewis Hamilton only third as Nico Rosberg on Singapore Grand Prix pole position (BBC)
"However, it later emerged that his car may have had a problem - Mercedes' data was showing it was producing less aerodynamic downforce than Rosberg's, which would explain the lack of grip."
Hamilton can't understand why he's off pace (Autosport)
"Honestly, I can't really take you through it because I don't understand it all at the moment."
Bernie Ecclestone on F1's takeover and his future (Sky)
"The only thing I have to do is die and pay my tax. Short of that I don't have to do anything."
Mercedes boss Toto Wolff won't be succeeding Bernie Ecclestone as F1 supremo, insists Niki Lauda (Daili Mail)
"I doubt it because we are busy with our work here at Mercedes. We have contracts, so there is no interest at all."
Verstappen: Front tyre temps wrecked qualifying chances (Motorsport)
"I just couldn't get the front tyres to work for the first sector. And that just snowballs."
Gap to Rosberg reflects Ferrari pace - Raikkonen (F1i)
"The first lap in Q3 was a good lap and I knew I had to try a bit too much to go faster in the second lap and it didn’t pay off."
Bittersweet debut, but sidelined driver confident of return (The Straits Times)
Rio Haryanto: "A lot of people expect that I can win races, but F1 is very different and a huge jump from GP2."
Fernando Alonso Q&A: McLaren must be ready to seize chances (F1)
"You cannot possibly think about a definite Safety Car - that would be reading the crystal ball - but what you can do is to make plans for your reaction when it comes: do you stop or not, which tyres will we put on in what phase of the race."
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On this day in F1
Jackie Stewart, who already had the world championship wrapped up, took pole position for the Canadian Grand Prix at Mosport today in 1971.