Iran has vowed that the assassination of its former Supreme Leader, Ayatollah Seyyed Ali Khamenei, will not go unanswered. As funeral ceremonies approach, senior Iranian officials say the "file of revenge remains open" and warn that those responsible will face punishment "at the right time." The statements come even as Tehran continues diplomatic engagement with the United States under a fragile memorandum of understanding. Iran's top security officials and the Guardian Council insist the country's resolve has only strengthened, while calling for massive public participation in the funeral and renewed unity around the new leadership.

Khamenei's death triggers leadership transition in Iran. Leadership change by December 31 at 16.5% YES.

Iran prepares for the grand funeral of late Supreme Leader Ayatollah Ali Khamenei in Tehran, with millions expected to attend.