Iranian President Ebrahim Raisi and Foreign Minister Hossein Amirabdollahian have been confirmed dead after their helicopter crashed in a mountainous region of East Azerbaijan province, Sabereen News, a Shia militia news channel, said on social media on Monday.

"Unfortunately it has been confirmed the martyrdom of Iranian President Ayatollah Sayyed Ebrahim Raisi, Foreign Minister Abdul Amir Hossein Abdullahian, and all members of the plane's crew," the media outlet affiliated with the Iran-backed Asaib Ahl al-Haq militia said on Telegram.