Five days of national mourning have been declared by Khamenei.

Iran's government cabinet appointed on Monday Deputy Foreign Minister Ali Bagheri Kani as acting foreign minister following the death of Hossein Amirabdollahian in a helicopter crash

The Iranian president -- whose career started in the years after the 1979 Islamic revolution and who is close to supreme leader Ayatollah Ali Khamenei -- took power in a 2021 election that was followed by turbulent years of protests and tensions.

Iranian President Ebrahim Raisi, a hardliner long seen as a potential successor to Supreme Leader Ayatollah Ali Khamenei, was killed in a helicopter crash in mountainous terrain near the Azerbaijan border, officials and state media said on Monday

The Iranian government will continue to operate "without the slightest disruption" following the death of president Ebrahim Raisi in a helicopter crash, said a cabinet statement on Monday

Indian Prime Minister Narendra Modi said Monday he was "deeply saddened and shocked by the tragic demise" of Iranian president Ebrahim Raisi after Iranian media reported he had died in a helicopter crash

Mokhber became first vice president in 2021 when Raisi was elected president

Ebrahim Raisi, who died aged 63, rose through Iran's theocracy from hardline prosecutor to uncompromising president, overseeing a crackdown on protests at home and pushing hard in nuclear talks with world powers as he burnished his credentials to position himself to become the next supreme leader

The civilian version of the ubiquitous Vietnam War-era UH-1N "Twin Huey," they are in wide use globally by both governments and private operators

China said on Monday it was "deeply concerned" after Iranian President Ebrahim Raisi's helicopter went missing in what Tehran's state media described as an accident, and pledged to help the rescue operation

President Raisi, the foreign minister and all the passengers in the helicopter were killed in the crash, senior Iranian official told Reuters

Rescuers in Iran were racing on Sunday to find the crash site of a helicopter that was carrying President Ebrahim Raisi to find out the fate of all those on board. Below is brief outline of what Iran's constitution says happens if a president is incapacitated or dies in office