Eleanor Beardsley

The IEA says during the month of March, production decreased 25 percent in Saudi Arabia, more than 60 percent in Kuwait, and 80 percent in Iraq.

But the countries must keep some level of production going to avoid the consequences of shutting down oil wells, which can cause significant damage.

Once stopped, some wells are difficult to start again.

Others become entirely unusable.

IEA President Fatih Birol says the U.S.-Israeli war with Iran has resulted in the greatest threat to world energy security ever.

Eleanor Beardsley, NPR News, Paris.

Unlike Spain's total ban on U.S.

overflights, France permits U.S.

support aircraft overflights on a case-by-case basis with guarantees they're not used in offensive operations.

France has deployed an aircraft carrier to the eastern Mediterranean but says it is strictly for defense measures.

Spain is one of the most vocal critics of the war and has called the U.S.-Israeli attacks reckless and illegal.

Italy has denied the use of an airbase in Sicily to U.S.

military planes carrying weapons after the U.S.

did not follow the required authorization procedure.

French observers say Trump is lashing out because he's furious Europeans will not act to help reopen the Strait of Hormuz.

Eleanor Beardsley in Pierre News, Paris.

Airlines are seeing strong demand, but much of that growth is being driven by higher-end travelers.

Aviation analyst Bill McGee says the industry is becoming a clear example of a K-shaped economy.

a lopsided recovery where those on top prosper while others struggle.

McGee says major airlines are expanding premium seating to capture that demand.