After the race, Norris told media: "We're in a closed car that gets extremely hot in a very physical race and it's frustrating I guess on TV. It probably doesn't look very physical at all.
"But clearly when you have people who end up retiring, or are in such a bad state, it's too much. For the speeds we are doing is it is too dangerous."
Sargeant retires sick
Perhaps the first indication as to how hot conditions were at the Losail International Circuit was when the Williams team sent a radio message to Logan Sargeant asking him if he wanted to retire.
The young American had been struggling in the cockpit and, with him running in last place, the team thought it best for him to retire back to the pits, rather than risking his safety in dangerous circumstances.
Following Logan’s retirement from the Grand Prix, he has been assessed and cleared by the medical team on-site after suffering from intense dehydration during the race weakened by having flu like symptoms earlier in the week. pic.twitter.com/oeLhDrtfGC
Little did we know at this point quite how many of the drivers further down the order had also suffered in the brutal conditions.
Russell: 'Borderline too much'
Sargeant's team-mate Alex Albon visibly struggled to get out of his car after the race, and Williams revealed that he also had to go to the medical centre, to be treated for acute heat exposure.
He was cleared by the medics but opted not to do any post-race media duties.
Aston Martin's Lance Stroll had to go straight over to the ambulance once getting out of his car in parc ferme, before revealing after the race that he 'passed out in the car', suffering from episodes of faintness and blurry vision.
Lance Stroll and Alex Albon are both seen struggling to get out of their cars from the onboard cameras at the end of a gruelling Qatar GP.
Haas' Kevin Magnussen was yet another driver who struggled, stating that he 'felt nauseous' behind the wheel.
Mercedes' George Russell, who is also the director of the Grand Prix Drivers' Association, revealed he was 'close to fainting during the race' before saying it was 'borderline too much' for the drivers to have to race in those conditions.
It was also reported that some team members had been struggling on the pit wall, with both Aston Martin and Williams confirming that everybody was okay in their teams in the end.
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