Iran's supreme leader, Ayatollah Ali Khamenei, crushed internal threats during more than three decades in power.

Khamenei has been Iran’s top leader since 1989, after the death of the country’s first Supreme Leader, Ayatollah Ruhollah ...

As Iran battles a waves of Israeli airstrikes targeting its nuclear infrastructure and military leadership, one man remains at the centre of the unfolding crisis: Supreme Leader Ayatollah Ali Khamenei ...