(Sorry if already posted. May relate to >>8251800? Behind a paywall so I included some of the article.)

Saudi Arabian authorities detained two of the kingdom’s most prominent figures for an alleged coup attempt, further consolidating the power of the king’s son, Crown Prince Mohammed bin Salman, and clearing away once-formidable rivals to the throne, according to people familiar with the matter.

The detentions occurred early Friday morning when guards from the royal court wearing masks and dressed in black arrived at the homes of the two men, took them into custody and searched their homes, according to people familiar with the matter.

Prince Ahmed bin Abdulaziz al Saud, a brother of Saudi King Salman, and Prince Mohammed bin Nayef bin Abdulaziz al Saud, the king’s nephew known as MBN, were both accused of treason, the people said. The guards also arrested one of MBN’s brothers.

The Saudi royal court accused the two men of plotting a coup to unseat the king and crown prince, according to people familiar with the situation.

https://www.wsj.com/articles/top-saudi-royal-family-members-detained-11583531033