Athletes and veterans have expressed frustration that there has been little acknowledgement of the event, which is being held in Germany, from royals other than the Duke and Duchess of Sussex.
A media strategist said that this perceived snub leaves the palace looking “mean-spirited and petty”.
Kate and William were integral in the early stages of the Invictus Games, though Harry was the one who founded it.
The Royal Foundation, which was shared by Prince Harry at the time – invested significant amounts of money in the event.
The Invictus Games is one of the big projects that Prince Harry has continued since his departure from the royal family.
