Security arrangements for The Duke and Duchess of Sussex on their UK return are a "private matter," the prime minister has said.

Prince Harry and Meghan intend to relocate from the US later this month to a private, non-royal residence outside London - as first reported by the Daily Telegraph and the Sun.

Last year, Prince Harry lost a legal challenge over the levels of security he and his family are entitled to while in the UK.

The couple's children, Prince Archie, seven, and Princess Lilibet, five, are enrolled to start at a British school in September.

The BBC's UK correspondent Daniel Sandford looks at what it will mean for the family's security.

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