The Queen will be hoping her horse Estimate triumphs in Royal Ascot's Gold Cup today as the famous race stages its Ladies' Day.
Over the years the Queen has had 21 winners at the Royal Ascot. This year her filly is a favourite to win.
More top news
The king and queen are on a three-day tour.
The former leader resigned after weeks of protests.
The company wants an injunction to stop planned walkouts by Communication Workers Union (CWU) members.