DOHA (Reuters) - Formula One drivers said the sport had reached a limit and needed to heed the warning signs after Sunday's Qatar Grand Prix ended with some on the brink of collapse, vomiting and with severe dehydration.
Alpine's Esteban Ocon said he had thrown up in his helmet early in the race, such was the heat and humidity, while Aston Martin's Lance Stroll told reporters he almost passed out at the wheel.
