United Kingdom, July 4 -- Prince Harry will reportedly attend an Invictus Games engagement in London alone next week.

According to The Sun, the 41-year-old Duke of Sussex's wife Meghan, Duchess of Sussex, 44, and their children, Archie, seven, and Lilibet, five, have been ruled out of travelling into central London because of security concerns, raising fresh doubts over whether King Charles, 77, will see his grandchildren during the visit.

The Duke and Duchess of Sussex had been expected to appear together at a London hospital in what would have been Meghan's first public engagement in the capital since stepping back from royal duties in 2020.

The family are understood to be at an undisclosed location in Europe and are "still looking a...