Athletes and fans struggled to stay cool in the heat as temperatures soared above 30 degrees in Paris on Tuesday.
The Met Office reported temperatures of up to 36 degrees in the French capital during day four of the Paris Olympics.
At the Eiffel Tower Stadium, electric fans were seen being carried into the venue to help spectators cool down.
Tennis spectators were helped with their battle to stay cool by water mist sprays at Roland-Garros and the heat rule was in place for players, which permits a 10-minute break before a deciding set in singles games.
Team GB’s Jack Draper was one of those in action, but lost to Taylor Fritz in the second-round, as he wilted in the heat after a good start.
An official communication stated that the start intervals for runs between each athlete had been reduced to two minutes for WC1 and 1 minute 40 seconds for MK1.
Advice on the official Paris 2024 website reminded spectators to drink water regularly, protect themselves from the sun with a hat and sun cream as well as spending time in a cool place.
The opening ceremony on Friday was affected by heavy rainfall and the adverse conditions continued into Saturday, which saw some events postponed and delayed.
In a press conference on Tuesday morning, IOC spokeperson Mark Adams was asked about changing weather conditions around the world and admitted it is something to be aware of.
“We moved the schedule for rugby if I remember rightly, and also we actually moved the timing of the start of the marathon, and we moved into the north island, Hokkaido.
“So yes, we have to live in the world – as they say in sport – you have to play what you have in front of you, and when you have growing issues you have to deal with them.
“I don’t think it’s a challenge to (the viability of) Olympic sport or any sport, but you just have to be aware of the changing climate and the changing world we live in.”