For Saudi Arabia, a deal could mean improved security. Saudi Arabia, Washington's most important Arab ally, began exploring ways to open a dialogue with the Islamic Republic two years ago in Iraq and Oman, said a Saudi official. In a bilateral meeting with Crown Prince Mohammed bin Salman, the president expressed his desire to broker dialogue between Saudi Arabia and Iran. CHINESE MEDIATION 'BEST OPTION'An Iranian official said the deal covered a range of issues, from security concerns to economic and political issues. "China was the best option considering Iran's lack of trust towards Washington and Beijing's friendly ties with Saudi Arabia and Iran.

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