Saudi Arabia and the United States have a long-standing strategic partnership, but the oil and security driven relationship has been strained by several crises. Here's a look at the complicated relationship
File photo: US President Donald Trump (left 2) and his wife Melania Trump are welcomed by Saudi Arabia's King Salman bin Abdulaziz Al Saud (right 2) during their arrival at the King Khalid International Airport in Riyadh, Saudi Arabia on May 20, 2017. Image:
Bandar Algaloud / Saudi Royal Council / Handout/Anadolu Agency/Getty Images