Marco Rubio’s visit to Riyadh, his first as secretary of state, came amid uncertainty about the future of Gaza and Ukraine and criticism of unilateral U.S. moves over the wars in both places.

U.S. Secretary of State Marco Rubio met Saudi Crown Prince Mohammed bin Salman in Riyadh on Monday. The meeting came a day before US and Russian officials are due to hold talks in Saudi Arabia on ending the war in Ukraine.