Who was killed in the Iran attack? A look at Tehran's power structure

Dozens of Iranian officials, including Supreme Leader Ayatollah Ali Khamenei, were killed during an extensive military operation conducted by the United States and Israel.

Iran struck back at U.S. bases, Israel and other nations across the Middle East. Six U.S. service members have died in those attacks.

President Donald Trump told Fox News’ Senior White House Correspondent Jacqui Heinrich on March 1 that the Iranian leadership was wiped out.

"48 leaders are gone in one shot. And it's moving along rapidly," Trump said. A full list of those killed has not been released.

The ongoing war has left hundreds dead and many wondering who will step into the power vacuum created by Khamenei's killing. Here's a closer look at who has been killed and who remains within Iran's power structure:

Which top leaders in Iran have been killed?

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How Iran's leadership is structured

The killing of Ali Khamenei leaves a void in Iran's leadership. The Supreme Leader, appointed by the Assembly of Experts, is commander-in-chief of Iran's military and the Islamic Revolutionary Guard Corps (IRGC).

Iranian President Masoud Pezeshkian said a leadership council composed of himself, the judiciary head and a member of the powerful Guardian Council had temporarily assumed the duties of Supreme Leader, according to Reuters.

Ayatollah Alireza Arafi, member of a powerful constitutional watchdog, was appointed to the temporary council alongside Pezeshkian and Supreme Court Chief Justice Gholam-Hossein Mohseni-Ejei, according to Al Jazeera.

In a video posted to Truth Social on the day of the attack, Trump encouraged Iranians to take control of the country.

"When we are finished, take over your government. It will be yours to take. This will probably be your only chance for generations," Trump said. "Now is the time to seize control of your destiny, and to unleash the prosperous and glorious future that is close within your reach. This is the moment for action. Do not let it pass."

On Mar. 2, Secretary of State Marco Rubio said the Trump administration "would not mind" if the Iranian people rose and took control of their government.

"And while we would love to see a new regime," Rubio said, "the bottom line is, no matter who governs this country, a year from now, they're not going to have these ballistic missiles and these drones to threaten us."

Contributing: Janet Loehrke, Francesca Chambers, USA TODAY

This is developing story which may be updated.