A group of news organizations filed an emergency petition Thursday, asking Nevada’s highest court to unseal the ongoing family succession battle playing out in a Reno courtroom that will determine the future of Rupert Murdoch’s vast media empire.

The conservative slant of Murdoch’s media empire—which includes Fox News and the Wall Street Journal—could be under threat amid a high-stakes succession battle.

Rupert, 93, is aiming to cut three of his children out of the family trust, which would allow his most conservative son to call the shots without interference