Leaders from across the Arab and Muslim world were in Riyadh for a meeting officially convened to discuss the fighting in Gaza and Lebanon.

Last March, China helped broker a Saudi-Iran reconciliation deal, signaling a regional shift. Iranian state media reported on Monday that Iranian Vice-President Mohammad Reza Aref left for Riyadh to take part in the summits, “aimed at bringing an end to the Israeli regime’s atrocities in the Gaza Strip and Lebanon.”

Some in Iran’s new, more moderate government think Donald Trump’s win provides an opportunity to make a lasting deal with the United States.

Saudi Arabia's de facto ruler on Monday called on Israel to respect Iran's sovereignty and refrain from attacking Iranian soil, highlighting warming ties between the Middle East rivals.

Saudi Arabia’s Crown Prince Mohammed bin Salman has accused Israel of carrying out “collective genocide” in Gaza, in some of his strongest criticism of the country since the war began last year. During a gathering of leaders of Islamic nations hosted by Saudi Arabia in Riyadh on Monday,

Crown Prince Mohammed bin Salman made the comment in remarks at a summit of representatives of Arab and Islamic nations in Riyadh, state media said.