The Lebanese Prime Minister has "resigned" on Saudi tv. Saudi Crown Prince Mohammad bin Salman has rounded up a dozen other princes in the House of Saud in a startling move that threatens to upset the kingdom. Reports that King Salman will step aside for the crown prince abound. What on earth is happening? Joining us to help sort through the rubble of this incredible week is Marwa Osman, a political analyst and commentator in Beirut.

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Saudi channel retracts Twitter posting on Salman rise to throne

Lebanese PM Hariri resigns, stresses 'Iran's hands will be cut off'

Saudi prince, relieved from National Guard, once seen as throne contender

Saudi Arabia Just Announced Plans to Build a Mega City That Will Cost $500 Billion

Mystery surrounds fate of late King Fahd's son amid Saudi crackdown

Reports claim Prince Muqrin helicopter did not crash, was shot down

Saudi prince Mansour killed in helicopter crash near Yemen border

Hariri firm in Saudi Arabia 'facing bankruptcy'

Lebanon president 'waiting for Hariri to return to Beirut' before taking further action