KUALA LUMPUR, Malaysia—Prosecutors filed more than two dozen new charges against former Prime Minister Najib Razak, including money laundering and abuse of power, involving hundreds of millions of dollars in one of the world’s most expansive financial scandals.
Mr. Najib pleaded not guilty and claimed his right to a trial during a court appearance Thursday. His alleged connection to the scandal surrounding state development fund 1Malaysia Development Bhd. contributed heavily to his surprise electoral defeat in May.
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