Iran clerics urge unity as nuclear scientist buried

The Tehran funeral on Friday of a nuclear scientist blown up by a hitman saw the ruling clergy urge Iranians to rally behind it at a forthcoming election and face down Western threats against Iran's nuclear programme.

In a mood of high emotion in a city increasingly beset by US and European sanctions and fears of war with Israel and the West, hundreds of chanting mourners carried the flag-draped coffin of Mostafa Ahmadi-Roshan, killed on Wednesday by a motorcycle assassin in rush-hour traffic. (AP)