The recent 12-day war between Israel and Iran has raised questions about who — or what — could replace Iran's 86-year-old Supreme Leader Ayatollah Ali Khamenei when he dies.

After the 12-day war in June, the issue of who will succeed Iran's longtime supreme leader, Ayatollah Ali Khamenei, has become more urgent.

After the 12-day war in June, the issue of who will succeed Iran's longtime supreme leader, Ayatollah Ali Khamenei, has become more urgent.

Iran's Supreme Leader Ayatollah Ali Khamenei made his first public appearance over the weekend since the war with Israel began. NBC News' Raf Sachez reports more. Former Deputy National Security ...

Iranian Supreme Leader Ali Khamenei made his first public appearance since the Israel-Iran war began on Saturday, attending Ashoura ceremony after hiding in bunker during the 12-day conflict.

Iran' s Supreme Leader Ayatollah Ali Khamenei on Saturday made his first public appearance since the 12-day war between Israel and Iran began, attending a mourning ceremony on the eve of Ashoura.

Iran’s Supreme Leader Ayatollah Ali Khamenei made his first public appearance since the 12-day war between Israel and Iran began.