From today's Times.
https://www.thetimes.co.uk/article/drivers-pass-out-and-vomit-in-extreme-heat-of-qatar-grand-prix-j6jcxgpbj
It's paywalled so here are some extracts:
"McLaren's Lando Norris, who finished third, said the intense heat had
made it "much too dangerous to race" and that F1 had "found the limit"
of what drivers can withstand.
[�]
No driver was immune to the extreme heat. Lance Stroll admitted that
he was "passing out" in the car by the end of the race and after
struggling to get out of his Aston Martin, he stumbled into an
ambulance to receive some rapid hydration.
[�]
Alpine's Esteban Ocon admitted that he had been sick in his helmet
early on in the race.
"I've never had that in the past," the Frenchman said. "I've always
been able to do two race distances in the car, that's what I've always
been training for, but today it was just the hot air and how hot the
engine is."
[�]
Aston Martin's Fernando Alonso asked his mechanics to pour water over
him during a pitstop to cool him down. Max Verstappen put the race
among his top five most difficult grands prix, while George Russell
said he had been close to fainting in his Mercedes.
Oscar Piastri, who finished second for McLaren, could not even sit in
the cooldown room before going on to the podium, instead lying on the
floor utterly exhausted. Logan Sargent was forced to retire his
Williams after suffering from intense dehydration.
The other Williams driver, Alex Albon, was so exhausted that he needed
help to get out of his car at the end and went to the medical centre
to be treated for acute heat exposure.
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