Israel-Iran Conflict: Strikes, Retaliation & Khamenei’s Death Fuel Escalation

Escalating Conflict: Death Toll Mounts as US and Israel Continue Strikes on Iran, Iran Retaliates

Waves of Israeli and US air strikes hit Iran on Sunday, March 1, 2026, following the killing of supreme leader Ayatollah Ali Khamenei. Israelis spent the day seeking shelter as Iran responded with missile barrages, triggering sirens across the country. Iran also targeted pro-American Gulf Arab states with missile and drone attacks, marking a significant escalation in regional tensions.

Sunday’s attacks within Iran focused on headquarters and compounds of the Islamic Revolutionary Guard Corps (IRGC) and the Basij paramilitary force, the organizations primarily responsible for suppressing recent anti-regime protests. A video reportedly showed a drone attack on a Basij motorcycle unit in Tehran. These strikes signal a direct targeting of the regime’s internal security apparatus.

Israel reportedly secured a safe air corridor to Tehran – a critical military objective – after destroying Iranian air defense installations. This allows US and Israeli planes to operate with greater freedom over Iran’s capital, potentially paving the way for expanded operations. Israeli prime minister Binyamin Netanyahu stated that strikes “will only increase even more in the coming days.”

Iran claims casualties are mounting, reporting “hundreds” of people killed across the country, including 165 fatalities in an explosion at a school in southern Iran, according to Iranian media. These reports have not been independently confirmed. US Central Command (Centcom) confirmed on Sunday that three US service members had been killed and five seriously wounded. Centcom also confirmed B-2 stealth bombers struck Iran’s underground ballistic missile storage facilities on Saturday night.

Trump Warns Against Retaliation, Claims Significant Losses for Iran

US president Donald Trump has vowed to avenge the deaths of the US service members and warned Iran against further retaliation, stating the US would “deliver the most punishing blow to the terrorists who have waged war against, basically, civilisation.” Trump also claimed US forces have sunk nine Iranian naval ships and destroyed their headquarters.

In a series of statements, including posts on Truth Social and an interview with Fox News, Trump asserted that 48 Iranian leaders had been killed, with the most prominent being Ayatollah Ali Khamenei. He suggested the conflict could continue for the next four weeks, continuing “until all objectives are achieved.” NPR reports Trump’s justification for the operation centers on the perceived threat of an Iranian regime armed with long-range missiles and nuclear weapons.

Regional Fallout and International Response

The conflict is rapidly expanding beyond Iran and Israel. Iran has fired hundreds of missiles and launched numerous drones towards the United Arab Emirates, Saudi Arabia, Kuwait, Jordan, Bahrain, and Qatar, resulting in casualties and injuries in countries not accustomed to direct military attacks.

The UK prime minister Keir Starmer announced the UK would allow the US to use British bases for defensive strikes against Iranian missiles, but stated the UK would not participate in offensive action, referencing the lessons learned from the Iraq War.

The president of the European Commission, Ursula von der Leyen, called for a “credible transition” in Iran, signaling a shift towards advocating for regime change.

Casualties and Damage Reports

In the Israeli city of Beit Shemesh, west of Jerusalem, at least nine people were killed and over 50 injured when an Iranian missile struck a shelter beneath a synagogue, destroying the building and damaging surrounding homes. Three other Israelis were killed in separate attacks – one in Tel Aviv and two although seeking shelter.

Confirmed vs. Unclear: A Shifting Picture

While the death of Ayatollah Ali Khamenei is confirmed by Iranian state media, many details surrounding the escalating conflict remain unclear. The exact number of casualties in Iran is disputed, with Iranian reports of “hundreds” of deaths awaiting independent verification. The extent of damage to infrastructure in Iran and across the Gulf states is also still being assessed.

It remains unclear what form Iran’s retaliatory strikes will take beyond the initial missile and drone attacks. The long-term strategic implications of the conflict, and the potential for wider regional war, are also uncertain. Al Jazeera reports that several countries in the region have closed their airspace during the exchange of attacks.

Background: The Rise and Rule of Ayatollah Ali Khamenei

Ayatollah Ali Khamenei, who was 86 years old at the time of his death, had been Iran’s supreme leader since 1989, succeeding Ayatollah Ruhollah Khomeini. As supreme leader, Khamenei held ultimate authority over Iran’s political, religious, and military affairs. His death marks the end of a 36-year period of iron rule, raising questions about the future stability of the Islamic Republic.

The office of the Supreme Leader is central to Iran’s unique political system, a theocratic republic. The Supreme Leader is not directly elected but is appointed by the Assembly of Experts, a body of clerics. The Supreme Leader oversees the President, the Parliament (Majlis), and the judiciary, and has the final say on all major policy decisions.

What Happens Next? A Procedural Outlook

Following Khamenei’s death, Iran has formed an interim council to oversee the transition. The process of selecting a modern Supreme Leader is expected to take several weeks, potentially months. The Assembly of Experts will be responsible for choosing Khamenei’s successor.

Trump indicated that contacts are underway with Iran’s new leaders, suggesting a potential path towards de-escalation. However, he cautioned that “most” of the Iranians involved in the negotiations so far are “no longer among the living,” hinting at continued military operations. The immediate future hinges on whether Iran will continue its retaliatory attacks and how the US and Israel will respond. The Gulf Cooperation Council (GCC) is scheduled to hold an emergency meeting to discuss the crisis, and European Union diplomats are also holding emergency talks.