A Nevada commissioner ruled resoundingly against Mr. Murdoch, who was trying to give full control of his empire to his son Lachlan and lock in Fox News’s right-wing editorial slant.

Rupert Murdoch has lost a bid to change his family trust to consolidate control of his media empire in the hands of his son Lachlan, the New York Times reported on Monday, citing a sealed court document.

A sealed document obtained by The New York Times says a Nevada commissioner has ruled against Rupert Murdoch’s effort to change his family’s trust to give his son Lachlan Murdoch control of his media empire and ensure Fox News maintains its conservative editorial slant.