United Kingdom, Sept. 27 -- Prince Archie and Princess Lilibet have settled into their new school.

Prince Harry and his family returned to the UK this summer after more than six years living in California and though the Duke and Duchess of Sussex's children had a rocky start, being moved from one local school to another amid security concerns, the prince revealed the youngsters, who are aged seven and five, have adjusted to their new life.

Speaking to Canadian network CTV, Harry said: "The kids are happy in school and it gives me a chance to really focus on Invictus in Birmingham.

"The games are in July next year."

Harry is also enjoying being back in the UK.

He added: "It's been great. It's been great to be back on British soil.

"I...