President Obama called King Abdullah of Saudi Arabia today to offer his personal condolences, and those of the American people, on the death of Crown Prince Nayif bin Abd al-Aziz Al Saud. The President expressed his appreciation for Crown Prince Nayif's many contributions over decades of service, particularly his leadership in building the strong counterterrorism cooperation that is an important part of the enduring partnership between the United States and Saudi Arabia. The President informed King Abdullah that a senior delegation, led by Secretary of Defense Panetta, has traveled to Jeddah to pay condolences in person during the official mourning period. The President also congratulated King Abdullah on the appointment of Prince Salman bin Abd al-Aziz Al Saud as Crown Prince.
Barack Obama, Readout of the President's Call with King Abdullah of Saudi Arabia Online by Gerhard Peters and John T. Woolley, The American Presidency Project https://www.presidency.ucsb.edu/node/301854