
Following the killing of Iran's Supreme Leader Ayatollah Ali Khamenei in joint US-Israeli strikes on February 28, 2026, the Middle East descended into one of its most volatile crises in decades. This timeline tracks the rapid escalation from the initial strikes through Iran's retaliatory attacks on Gulf states, Israel's expansion of operations into Lebanon, and the critical process of selecting Iran's next supreme leader—all unfolding over just eight days.
11 events · 0 days · 30 source articles
Joint US-Israeli military operations targeted Tehran, killing Ayatollah Ali Khamenei, who had ruled Iran as supreme leader since 1989. The strikes marked the beginning of a major offensive against the Islamic Republic. Over 1,300 people have been killed in the bombardment according to reports, with children accounting for approximately 30% of casualties.
Iran-backed Hezbollah launched attacks on Israel in response to Khamenei's assassination, pulling Lebanon into the expanding conflict. Israel responded by launching a new military operation aimed at forcing Hezbollah to disarm, marking a significant expansion of the war beyond Iran's borders.
Israeli Prime Minister Benjamin Netanyahu stated that the current military campaign is 'creating the conditions to overthrow the regime' in Iran. The Israeli army indicated it expects the current phase of operations to last another two weeks, signaling a prolonged offensive.
Joint US-Israeli forces bombed oil storage facilities in and around Tehran, marking the first time Iran's oil sector was directly targeted. The strikes killed four oil company employees and left a dark haze hanging over the Iranian capital. Five separate oil facilities were hit in the overnight attacks.
Iranian President Massoud Pezeshkian declared that Iranians would not permit enemies to seize 'a single centimeter' of national territory. He also apologized to neighboring countries for Iranian attacks against them, though clarified his comments had been misinterpreted by adversaries.
Iran unleashed a barrage of missile and drone attacks targeting multiple Gulf states early Sunday morning. Kuwait reported attacks on fuel tanks at its international airport with fires brought under control. The UAE faced missile and drone attacks requiring air defense responses. Saudi Arabia intercepted drones targeting Riyadh's diplomatic quarter. Bahrain reported damage to a water desalination plant with three people injured.
Iran's Islamic Revolutionary Guard Corps announced it fired next-generation missiles toward Tel Aviv and Beersheba in Israel, as well as at the Al-Azraq air base in Jordan. The IRGC described this as the 28th wave of 'Operation Honest Promise 4,' demonstrating Iran's continued offensive capabilities despite ongoing strikes.
An Israeli air strike hit the Ramada Plaza hotel in central Beirut, killing at least four people and wounding ten others. Israel claimed it targeted key commanders from Iran's elite Quds Force of the IRGC operating in Lebanon, though it did not name specific targets. The strike marked an escalation of Israeli operations in the Lebanese capital.
More than 454,000 people have been displaced across Lebanon since fighting began on February 28, with the country's death toll surpassing 300. Emergency shelters including schools, places of worship, and stadiums are overwhelmed, forcing many to sleep in cars, on streets, or on beaches. Some Christian villages like Marjayoun are defying Israeli evacuation orders.
Iran's Assembly of Experts announced it has reached a majority consensus on selecting Khamenei's successor, though the name has not been publicly revealed. Member Ayatollah Mohammad-Mahdi Mirbagheri stated that 'some obstacles' still needed resolution. The selection was reportedly based on Khamenei's advice that his replacement should be 'hated by the enemy.' Mojtaba Khamenei, Ali Khamenei's son, is widely expected to be named.
The Israeli military issued a warning in Farsi on social media threatening to target anyone who succeeds Khamenei or seeks to appoint his successor. The threat extends even to clerics involved in the selection process, representing an unprecedented level of direct intimidation against Iran's religious leadership structure.