The relationship between Saudi King Salman and his son and heir, Mohammed bin Salman, became increasingly strained as they opposed a series of questions, including the Yemen War a published Guardian report according to Tuesday.
During King Salman's visit to Egypt last month, tensions had strained as his advisers warned against a possible move by the Crown Prince against him, the report said citing an anonymous source.
The king's loyalists were reportedly so concerned about the threat that his security detail was replaced by a team of 30 handpicked loyalists during the trip.
The Egyptian security guards were also released, the source reported to the Guardian.
] On the return of King Salman, Prince Mohammed (also known as MBS) was not one of the dignitaries who received the monarch.
The source said that the couple disapproved of King Salman's strict line regarding demonstrators in Algeria and Sudan and the treatment of Yemeni prisoners of war. In the royal family and in suppressing civil society activism, he has gone abroad made a name for its aggressive foreign policy.
The assassination of Jamal Khashoggi at the Saudi Arabian Consulate in Istanbul last October risked the ripping of the decade-old alliance between Riyadh and Washington.
The journalist was murdered by a Saudi inmate detachment.
Rogues had gone down, but western intelligence agencies and politicians claimed they were acting on the orders of Prince Mohammed.
Older members of Congress have not let the death of the Washington Post's columnist fade into the dark and are working to punish Saudi Arabia.
] However, the Saudi Crown Prince has maintained close relations with the Trump government, which is reluctant to prosecute him.