Mohammed bin Salman, centre left, meets with Egyptian President Abdel-Fattah El Sisi in Cairo. Egyptian Presidency via AP
Saudi Arabia's Crown Prince Mohammed bin Salman is received bye Egyptian President Abdel-Fattah El-Sisi in Cairo. Egyptian Presidency via AP
Mohammed bin Salman is received by Egyptian President Abdel-Fattah El-Sisi in Cairo. Egyptian Presidency via AP
Egyptian President Abdel Fattah El Sisi (R) walking with Saudi Arabia's Crown Prince Mohammed bin Salman (L) prior his departure, in Cairo. EPA
In this photo released by the Egyptian Presidency's office, Saudi Arabia's Crown Prince Mohammed bin Salman shakes hands with Egyptian President Abdel-Fattah El-Sissi in Cairo on Tuesday, Nov. 27, 2018. (Egyptian Presidency via AP)
Mohammed bin Salman, left, meets with Egyptian President Abdel-Fattah El Sisi in Cairo. Egyptian Presidency via AP
Mohammed bin Salman, centre left, meets with Egyptian President Abdel-Fattah El Sisi in Cairo. Egyptian Presidency via AP
Saudi Arabia's Crown Prince Mohammed bin Salman is received bye Egyptian President Abdel-Fattah El-Sisi in Cairo. Egyptian Presidency via AP
Mohammed bin Salman is received by Egyptian President Abdel-Fattah El-Sisi in Cairo. Egyptian Presidency via AP
Egyptian President Abdel Fattah El Sisi (R) walking with Saudi Arabia's Crown Prince Mohammed bin Salman (L) prior his departure, in Cairo. EPA
In this photo released by the Egyptian Presidency's office, Saudi Arabia's Crown Prince Mohammed bin Salman shakes hands with Egyptian President Abdel-Fattah El-Sissi in Cairo on Tuesday, Nov. 27, 2018. (Egyptian Presidency via AP)
Mohammed bin Salman, left, meets with Egyptian President Abdel-Fattah El Sisi in Cairo. Egyptian Presidency via AP
Mohammed bin Salman, centre left, meets with Egyptian President Abdel-Fattah El Sisi in Cairo. Egyptian Presidency via AP
Mohammed bin Salman touches down in Cairo as tour moves on
The Saudi Crown Prince is on a regional tour ahead of the G20 economic summit in South America