This intereview with Lebanese journalist Marwa Osman at The Corbett Report is most interesting:
The most luxurious hotel in Riyadh is now a prison for all the princes in the realm. Furthermore at least one key prince, Fahed bin Abdullah was killed by gunfire. Incidentally this man was best friend since childhood of kidnapped Lebanese PM Hariri and his business partner.
Israel and Washington behind the scenes
In min. 14:55 she says: "He [Mohamed bin Salman] sees Hizbollah as a threat to himself. I don't know why, because Hizbollah is a threat to Israel not to him".
To understand that one has to take in account the revelations that Prince Khalid bin Farhan al-Saud made in June to the Middle East Monitor: Mohamed has made a deal with Trump by which the USA backs his bid for total power, including speedy ascension to the throne (his father, the nominal king, has Alzheimer). in exchange for Saudi blessing and financing for the Final Solution against Gaza Strip, a territory that Israel now covets for their version of the Suez Canal.
I discussed this and the sudden hostility against Qatar here.