Iran is observing 40 days of public mourning following the death of Ayatollah Ali Khamenei, Reuters reported, citing Iranian state media.

Iranian Supreme Leader Ayatollah Ali Khamenei has been killed in a US-Israeli attack, sparking celebrations in Iran and raising questions about the future of the regime.

In the central Iranian city of Isfahan, residents gathered at Imam Square to protest the strikes and to mourn what state media termed the martyrdom of Ayatollah Khamenei. Demonstrators raised slogans including "God is great" as the...