By Victoria Ward

The Duke of Sussex has dragged his brother the Prince of Wales into his legal battle against the Daily Mail's publisher.

Lawyers for high-profile figures including the Duke have alleged that private investigators were paid to spy on the Prince and Princess of Wales.

The move risks deepening the rift between the brothers, and comes weeks after the Duke reunited with the King for the first time in 19 months over tea at Clarence House.

The Duke is one of seven claimants suing Associated Newspapers for alleged privacy breaches dating back up to 30 years. Associated, which also publishes the Mail on Sunday , denies any wrongdoing and says the "lurid" claims are preposterous.

In written submissions to the High Court, lawyers for the group clai

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