He was killed on Saturday in Israeli and US air strikes on his Tehran compound after decades of failed nuclear diplomacy.

The 36-year rule of Ayatollah Ali Khamenei built Iran into a powerful anti-US force, spreading its military sway across the Middle East, while using an iron fist to crush repeated unrest at home.He ...

Ayatollah Ali Khamenei, who assembled theocratic power in Iran over the decades as its supreme leader and sought to turn it into a regional powerhouse, has died.

In Iran the supreme leader is the heart of a complex power-sharing theocracy and has final say over all matters of state.

Iran’s clerical regime now faces the prospect of trying to find a successor to Iran’s Supreme Leader Ayatollah Ali Khamenei following his killing in joint US-Israeli strikes.