Khashoggi case: Saudi king 'checks' son's power

Saudi Arabia's King Salman has intervened and dispatched his most trusted aide, Prince Khaled al-Faisal, governor of Mecca, to Istanbul to try to defuse the crisis that started with the disappearance of Saudi journalist Jamal Khashoggi from Saudi embassy in Turkey. Khaled, a senior royal with high status, has strong ties with Turkish President Erdogan.