People mourn the killing of Iran’s Supreme Leader Ayatollah Ali Khamenei at a rally in Tehran, Iran, on Sunday, March 1, 2026, a day after he was killed in coordinated U.S. and Israeli airstrikes. (Arash Khamooshi/The New York Times) By AARON BOXERMAN, FARNAZ FASSIHI, HELENE COOPER, ZOLAN KANNO-YOUNGS and TYLER PAGER A day after a joint U.S.-Israeli military operation unleashed a bombing wave across Iran and killed Iran’s supreme leader, the attacks intensified Sunday by land and sea. Iran...