Prince Harry's wife Meghan has started legal proceedings against the Mail on Sunday newspaper over the publication of a private letter her lawyers say was unlawful.
Law firm Schillings described the publication as part of a "campaign by this media group to publish false and deliberately derogatory stories about her, as well as her husband.
" ... We have issued proceedings to redress this breach of privacy, infringement of copyright and the aforementioned media agenda."
A spokesman for the Mail on Sunday was not immediately available for comment on the claim.
Schillings said the case was being paid for privately by Harry and Meghan.
Prince Harry and Meghan. The prince is suing two UK tabloids. Source: AAP
In a lengthy statement released alongside the announcement of legal action, Harry said his wife had "become one of the latest victims of a British tabloid press that wages campaigns against individuals with no thought to the consequences".
"I've seen what happens when someone I love is commoditised to the point that they are no longer treated or seen as a real person. I lost my mother and now I watch my wife falling victim to the same powerful forces," he added.
Princess Diana died in a car crash in Paris in 1997 after being followed through the streets by photographers. She became one of the most photographed women on Earth after she married into the British royal family.
Prince Harry and Meghan have been touring southern Africa together with their baby son Archie.
