"The Iranian regime has been the spearhead of global terrorism since the (Ayatollah Ruhollah) Khomeini revolution" in 1979, King Salman said in a speech to leaders including US President Donald Trump.

Mizanonline reported that Ahmad Montazeri, a cleric serving a six-year jail term for "action against national security", had been released after being pardoned by Khomeini's successor, Ayatollah Ali Khamenei.