Dubai's airport authority says it authorised a limited number of flights as hundreds of thousands remain stranded.
Iranian Foreign Minister Abbas Araghchi holds calls with China's Wang Yi amid Israeli-US attacks on Iran.
Consumers are set to pay higher prices, but US producers could benefit, analysts say.
Saudi Defence Ministry says fire broke out at the embassy, but the compound sustained only 'minor' damage.
Predicting the total cost of the campaign is difficult, and experts warn the greater challenge may be inventory.
The latest advisory includes Egypt, Israel, Saudi Arabia and Qatar, according to a State Department official.
Iran strikes energy infrastructure across the Gulf as IRGC announces closure of Strait of Hormuz.
Ebrahim Jabari, a senior adviser to the IRGC's commander-in-chief, reiterates that the Strait of Hormuz is 'closed'.
Secretary of state says he hopes Iranian people will overthrow regime, as US military says six service members killed.
Spanish Prime Minister Pedro Sanchez has condemned US and Israeli strikes on Iran.