(NewsNation) — Former President Donald Trump was arraigned on federal charges in Miami on Tuesday, the first time in history a former president has faced a federal indictment. He pleaded not guilty to all charges.

Trump is facing 37 charges related to classified documents found at his Mar-a-Lago home. According to prosecutors, Trump retained classified documents related to national defense, refused to turn the documents over to the National Archives when requested, and obstructed a federal investigation to locate the material. Trump has maintained his innocence and called the charges a political move.

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