SINGAPORE: The FIA has invoked its "heat hazard" regulation for the first time at a Formula 1 race because of the high temperatures forecast for this weekend's Singapore Grand Prix.

The night race is also one of the steamiest on the Formula 1 circuit, with the combination of heat and humidity exposing drivers to perceived temperatures of up to 50 degrees Celsius in the cockpit.

"Having received a forecast ... predicting that the Heat Index will be greater than 31 degrees Celsius at some time during the race at this event, a Heat Hazard is declared," motorsport's governing body said in a statement on Thursday (Oct 2).

The regulation was introduced after drivers suffered exhaustion in the 2023 Qatar Grand Prix.

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