Saudi Arabia & United States — White House

Saudi Arabia: Saudi Arabia suspended the US military's ability to use a Saudi base for operations in the Strait of Hormuz, angered by Donald Trump's announcement to escort ships, impacting US military strategy.

United States — White House: The United States — White House is actively involved in negotiating a one-page memorandum of understanding with Iran to end the war and establish a framework for nuclear negotiations. Its actions directly influence the progress and terms of the potential deal.

Saudi Arabia: Saudi Arabia reportedly refused to allow US forces to use its airspace and bases for the Hormuz operation, influencing the US's tactical decisions.

United States — White House: The United States — White House confirmed JD Vance would lead the United States delegation for talks with Iran, clarifying earlier conflicting statements from Donald Trump.

Saudi Arabia: Pakistan's Prime Minister Shehbaz Sharif met with Saudi Arabia's Crown Prince Mohammed bin Salman to discuss diplomatic efforts and convey Pakistan's solidarity.

United States — White House: The United States — White House is the primary source of official statements and decisions regarding the US negotiating efforts with Iran.