A judge ruled on Friday that Mr Trump’s daughter, Ivanka, must testify in the case against her brothers and father.

The trial focuses on six other claims made in the lawsuit, including falsification of business records, insurance fraud and conspiracy.

His daughter Ivanka had previously sought not to take the stand, arguing that she had moved out of the city to Florida and had stepped away from the Trump Organization in 2017.

In his ruling on Friday about Ivanka testifying, Judge Engoron sided with the prosecutors, writing: “Ms Trump has clearly availed herself of the privilege of doing business in New York.”

He cited documents showing that she still had ownership or management ties to some businesses in New York, and that she still owns Manhattan apartments.

The civil fraud case was brought against the former president by New York Attorney General Letitia James, who is a Democrat.

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