The crews of all three merchant vessels seized by the U.S. military over the past week are still in U.S. custody.
Israel has attacked a major petrochemical plant in Iran's South Pars natural gas field and killed a top Revolutionary Guard commander.
The death toll from the war is now 1,900+ people in Iran and nearly 1,100 people in Lebanon, with dozens more killed in Israel.
Qatari Foreign Ministry spokesman Majed Al Ansari vowed that Iranian attacks on the gas-rich country “will not go unanswered.”
The assassination of the second leader of the Islamic Republic, who had no designated successor, would throw its future into doubt.
More than 1,300 people died during this year’s Hajj pilgrimage in Saudi Arabia as the faithful faced extreme high temperatures at Islamic holy sites in the desert kingdom.
The international oil benchmark Brent crude hovered over $112 a barrel in trading Monday, up more than 4%.
Saudi Arabia has tripled taxes on basic goods, raising them to 15%, and has announced spending cuts of around $26 billion.
Saudi Arabia’s King Salman has ordered an end to the death penalty for crimes committed by minors.
U.S. Secretary of State Mike Pompeo has met with Saudi Arabia's King Salman in a visit focused primarily on discussing security issues and threats from regional rival Iran.