One of the best known figures in horse racing got a last-minute call-up to join the King and Queen

Laden with tradition, Royal Ascot rolled this week in fine weather, with splendid horses, and some 300,000 visitors dressed to the nines. The Royal Box was teeming.

A video of the excited royal couple cheering on one of their beloved horses - Warrant Holder, ridden by William Buick - has been circulating online.

One of the best known figures in horse racing got a last-minute call-up to join the King and Queen