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The Conversation

The US and Israel launched what the US president, Donald Trump, called “major combat operations” against Iran early on Saturday, striking at targets across the country, saying it would destroy its nuclear programme once and for all. The US president also appeared to call for the overthrow of the Islamic Republic, urging the Iranian people to bring down the regime

By Sunday morning it was reported that Iran’s autocratic supreme leader, Ayatollah Ali Khamenei, who had held power since 1989, had been killed along with several key political and military leaders, including the head of Iran’s powerful Islamic Revolutionary Guard Corps. Iran has vowed revenge and retaliated with missile and drone attacks across the region. Overnight there have been exchanges of fire between Hezbollah and Israel in Lebanon.

Our academic experts around the world have been working to keep you informed and updated on the big questions and threats, this conflict poses. See below, and keep an eye on our homepage for updates through the day.

Jonathan Este

Senior International Affairs Editor

Iran's Supreme Leader Office handout/EPA

Ayatollah Ali Khamenei ruled Iran with defiance and brutality for 36 years. For many Iranians, he will not be revered

Andrew Thomas, Deakin University

Khamenei will largely be remembered for the profound weakness his leadership brought the Islamic Republic.

US warship Thomas Hudner launches a Tomahawk missile as the American military strikes targets in Iran, March 1 2026. U.S Navy/U.S. Navy Photo/Alamy Live News

Strait of Hormuz: if the Iran conflict shuts world’s most important oil chokepoint, global economic chaos could follow

Sarah Schiffling, Hanken School of Economics

Iran has warned it could close down the strait, through which 20% of the world’s oil transits each day.

Aircraft are avoiding Iran, Iraq, United Arab Emirates and Syria airspace. FlightRadar24

Booked to travel through the Middle East? Here’s why you shouldn’t cancel your flight

Natasha Heap, University of Southern Queensland

War has caused chaos for airlines in the Middle East, stranding tens of thousands of passengers.

Israel and the US have launched airstrikes on Iranian cities as American president, Donald Trump, calls for the people to ‘rise up’ and overthrown the Islamic Republic. AP Photo

US-Israeli attack on Iran risks plunging the world into turmoil

Arshin Adib-Moghaddam, SOAS, University of London

The attack has come in the middle of talks between Washington and Tehran.

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