Iran's President Ebrahim Raisi at Saadabad Cultural & Historical Complex in Tehran, Iran, on April 29, 2023. Here’s what to know now:Acting president: In the wake of Raisi’s death, Vice President Mohammad Mokhber has been appointed as acting president. Public mourning: Ayatollah Khamenei has announced five days of public mourning after the crash, and expressed his condolences. His death has already triggered international reaction with Saudi Arabia, Pakistan, India and the UAE leader expressing their condolences for his death. Militias respond: Iran-backed militant groups Hamas, the Houthis, and Hezbollah have sent condolences to Tehran over the death of Raisi.