
Soldiers struggle with heat during Trooping the Colour rehearsal led by Prince William.
Members of the massed bands of the Household Division fainted during a rehearsal for Trooping the Colour parade due to the sweltering heat spreading across the UK, with temperatures hitting 30C, marking the hottest day of the year so far. Footage shows a trombonist attempting to play on after falling to the ground, but then led away.