The war entered its fourth week on Saturday.
President Donald Trump announced "major combat operations" against Iran on Feb. 28, with massive joint U.S.-Israel strikes attack targeting military and government sites, officials said.
Ayatollah Ali Khamenei was among those killed in Tehran on the first day of strikes and his son Mojtaba Khamenei was chosen to succeed him. Iran is responding with missile and drone attacks targeting Israel, regional U.S. bases and multiple Gulf nations. Iran is also attempting to block some shipping traffic through the Strait of Hormuz.
Israel is also intensifying its long-running strike campaign against the Iran-backed Hezbollah militia in Lebanon.
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The Israeli Defense Forces said Friday that it has killed Esmail Ahmadi, the head of intelligence for Iran's Basij paramilitary force.
The IDF claims Ahmadi was eliminated in the same strike carried out earlier this week that killed several other senior leadership of the Basij, including its top commander, Gholamreza Soleimani.
No immediate comment/confirmation from Iran.
-ABC News' Dorit Long
The International Energy Agency has released “a range of demand-side actions that governments, businesses and households can take to alleviate the economic impacts on consumers of the disruptions to oil markets stemming from the war in the Middle East," in a new report released Friday.
Top of the list was working from home. Other recommendations include reducing car travel, cutting down on business air travel and cooking with electricity rather than gas.
Last week, the IEA announced the release of 400 million barrels of oil and refined products from global stockpiles to ease shortages around the world, IEA Executive Director Fatih Birol said represented only 20% of its reserves.
“We still have 80% in our pocket,” Birol said in a statement, adding that he had held talks with Canada, Mexico, Brazil, Norway and other countries about increasing their oil and gas production.
But, he said, such flows would not solve the loss of Middle Eastern energy.
“The single most important action is the resumption of transits through the Strait of Hormuz,” he said.
President Donald Trump is again blasting America's NATO allies, calling them "COWARDS" and criticizing them for not helping keep the Strait of Hormuz open amid the war in Iran, in a social media post Friday.
"Now that fight is Militarily WON, with very little danger for them, they complain about the high oil prices they are forced to pay, but don’t want to help open the Strait of Hormuz, a simple military maneuver that is the single reason for the high oil prices," Trump said in the post.
The president added that it would be easy for European allies to do and "with so little risk."
"COWARDS, and we will REMEMBER!" Trump said.
The post comes after Trump called repeatedly on allies to help reopen the Strait of Hormuz. Many European and other allies have rebuffed Trump's call to action. On Monday, German Chancellor Friedrich Merz's spokesman said that this is "not NATO's war."
While the president publicly requests help, he also repeatedly says that the U.S. doesn't need the help of their allies.
"We're the strongest nation in the world. We have the strongest military by far in the world. We don't need them. But it's interesting," Trump said on Monday.
-ABC News' Michelle Stoddart and Emily Chang
The head of the International Energy Agency said the war in Iran is the greatest threat to global energy “in history” and warns people don’t yet understand how bad the situation is.
“People understand that this is a major challenge, but I am not sure that the depth and the consequences of the situation are well understood,” Executive Director of the International Energy Agency, Dr. Fatih Birol said in an interview with the Financial Times.
He added that “vital arteries have come to a halt," hitting the world’s supply of fertilizers for crops, petrochemicals for plastics, clothes and manufacturing, as well as sulfur and helium.
“These are vital commodities for the global economy,” he said.
Even if the conflict ended and the strait reopened, Birol said “it will take a long time” to bring oil and gas fields, many of which have been shut down or damaged, back online.
“It will be six months for some [sites] to be operational, others much longer,” he said.
