Relations between Saudi Arabia and Iran worsened after Tehran accused Riyadh of damaging the Iranian embassy in Yemen.
At the same time, for the United States, the two Middle Eastern powers are critical to the diplomatic process to resolve the crisis in Syria and the fight against the Islamic State.
Confirming that Syria talks are set to resume January 25 in Geneva, U.S. Secretary of State John Kerry also insists, the foreign ministers of both Saudi Arabia and Iran have promised him, their public differences will not impact the Syria peace process.
IN: "They both...
OUT: ...is important."
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