A British soldier continued playing the trombone after he fainted while rehearsing forKing Charles’ upcoming birthday parade.

According toBBC News, one of the band members collapsed on Saturday while practicing in London’s extreme heat conditions.

He regained consciousness moments later, however, and stood back up to resume playing his instrument, before he was escorted away for medical assistance.

Prince William personallytweetedabout the incident on the Prince and Princess of Wales' Twitter account on Saturday morning.

“A big thank you to every soldier who took part in the Colonel’s Review this morning in the heat. Difficult conditions but you all did a really good job. Thank you. W,” wrote the Prince of Wales, 40.

Karwai Tang/WireImage

prince william Soldier Fainted

The band of soldiers was rehearsing for theTrooping the Colour, the annual public celebration of the British monarch’s birthday, which will take place at Horse Guards Parade on June 17 this year.

The festivities will mark thefirst birthday parade of King Charles' reign, although Queen Elizabeth held the annual event around the same time of year.

prince william Soldier Fainted

They carried out complex battlefield drill maneuvers to a program of music, which had what the prince’s office called “a distinctly Welsh theme.”

prince william Soldier Fainted

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The parade will be a year of firsts — the initial one for the King, and the first one for William as Prince of Wales.

Saturday also marked the first time that William took on the rehearsal role since he was made ceremonial Colonel of the Welsh Guards shortly after the death ofQueen Elizabethin September.

Heundertook the Colonel’s reviewwhen he was Colonel of the Irish Guards last year — a role thatnow belongs to his wife.

source: people.com