Iranian President Ebrahim Raisi has died after the helicopter he was travelling in crashed in a mountainous area of northwest Iran.

Hopes are fading that Iranian President Ebrahim Raisi will be found alive as rescue teams locate the wreckage of the helicopter he was travelling in.

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Ebrahim Raisi was one of Iran's hardest of hardliners, a fanatical and absolute believer in the Iranian revolution and its mission.

A helicopter carrying Iran's president crashed during bad weather on Sunday - and Ebrahim Raisi's death has been confirmed.