Saudi Arabia's energy adviser said that if Iran closes the Straight of Hurmuz, the UN Security Council is likely to authorize military action.
He added that Iran is unable to completely, or partially, close the Straits of Hormuz or Bab al-Mandab.
READ MORE: Iran's Revolutionary Guard Holds Drills in Persian Gulf — Reports
Iran has earlier threatened to block the Strait of Hormuz, cutting off the main oil shipping route, in response to any hostile actions from the US.
Earlier, the Iranian Supreme Leader's Top Adviser for International Affairs Ali Akbar Velayati said that if Iran was not allowed to export its oil via the strait, no other Middle Eastern state would be able to do so.
Trump announced Washington's pullout from the JCPOA in early May, pledging to reinstate anti-Iranian sanctions, including those preventing other countries from doing business with the Islamic Republic.
The US imposed sanctions on trade with Iran involving the Iranian currency, sovereign debt, cars, aircraft, gold and other metals.
In June, the US Department of State urged oil companies to stop importing oil from Iran by November to avoid US sanctions.
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