On 28 February 2026, a coordinated US-Israel military operation struck multiple sites in Iran, resulting in heavy casualties, including the death of Iran’s Supreme Leader Ayatollah Ali Khamenei and several senior officials.

Regional tensions in the Middle East escalated sharply on 28 February after coordinated United States (U.S.)–Israeli strikes on military and leadership linked sites across at least seven Iranian provinces, triggering Iranian retaliatory missile launches toward Israel and U.S.