FILE - In this May 2, 2017 file photo, Morocco's King Mohammed VI, left, smiles as he arrives at the Elysee Palace to meet France's President Francois Hollande in Paris. King Mohammed VI of Morocco underwent successful heart surgery on Sunday in Rabat for a heart rhythm disorder, according to the state news agency. The king, 56, was treated for a heart rhythm disorder known as "atrial flutter," in which the heart's upper chambers beat too quickly. (AP Photo/Michel Euler, File)