In the latest shake-up at Fox News, Bill Shine, the co-president of the network and one of its longest-serving executives, has resigned.

Mr. Shine will depart in the next several weeks after helping with a transition, the network said in a statement, which also announced a management restructuring.

Mr. Shine is the most recent casualty of the scandals that have already claimed former chairman and chief executive Roger Ailes and top on-air personality Bill O'Reilly.

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