Prince Harry celebrates Invictus Games at UK event while royal family attends garden party just miles away

Prince Harry celebrated the 10th anniversary of the Invictus Games at an event in London, but the royal family was not in attendance.

On Wednesday, the 39-year-old Duke of Sussex marked the tournament's milestone during a service of thanksgiving held at St. Paul's Cathedral, the church where his parents, King Charles III and the late Princess Diana, married in 1981. 

In 2014, Harry founded the Invictus Games, a multi-sport event for wounded, injured and sick servicemen and women. The...