Iranian President Ebrahim Raisi appointed a new head of the country's top security body on Monday.
State media said Ali Akbar Ahmadian, a Revolutionary Guards commander, would serve as secretary of the Supreme National Security Council.
Ahmadian replaces Ali Shamkhani, who served in the post for a decade and played a key role in thawing relations with regional rival Saudi Arabia.
Ahmadian has served as the head of the Revolutionary Guards' joint staff and the head of its strategic center.
Some information for this story came from The Associated Press, Agence France-Presse and Reuters.
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