The combination of high temperatures and full uniforms turned out to be a letdown for at least three British soldiers during Saturday’s annual Trooping of the Colors rehearsal ceremony.

At least three guards fainted during a Colonel’s Review, which was attended by more than 1,400 men from the Home Division and the Royal Horse Artillery, as temperatures in London reached 86 degrees Celsius, The Associated Press reported. report. The military parade was a rehearsal for the annual Trooping of the Colours, held each June to mark the monarch’s official birthday, the newspaper said.

💂 At least three members of the Royal Guard have collapsed from the heat during the Colonel’s Review Parade. This is the final evaluation before being unveiled before the King during the Legion of Colors. Prince William, who was on the tour, thanked the participants in a tweet. pic.twitter.com/JLNTLWbekV

— Reuters (@Reuters) June 11, 2023

Dressed in a woolen tunic and bearskin hat, the sweltering heat made conditions during the parade “difficult” for soldiers attending the parade, but he was an honorary colonel of the Welsh Guard. And the new Prince of Wales, who served as an honorary colonel in the Welsh Guard, acknowledged the situation. The Associated Press reported that the heir to the throne was considering the exercise. (Related: Kate Middleton officially replaces Princess Diana as Princess of Wales)

“A big thank you to all the soldiers who took part in the colonel’s review this morning in the heat. It was a difficult situation, but you did a great job. Thank you.” Prince William tweeted From official account.

Then Prince of Wales share Posting several photos of the parade, he once again praised the hard work and dedication of those who participated in the exercise, saying, “Especially in today’s situation, credit to all involved.”

Trooping the Color officially opens on June 17 and will be overseen by Charles III.