One of America’s most acclaimed magazine writers, Olivia Nuzzi of New York magazine, has been placed on leave while a “third-party review” is conducted after Nuzzi disclosed that she “had engaged in a personal relationship with a former subject relevant to the 2024 campaign while she was reporting on the campaign.

Ms. Nuzzi told her editors about the relationship that had turned personal, the outlet said. A representative for Mr. Kennedy said the pair had met only once.

New York magazine says that its highly regarded Washington correspondent, Olivia Nuzzi, is on leave after disclosing that she had a personal relationship with a former reporting subject, violating the publication's standards. The newsletter Status ...