What do we know so far about the helicopter crash that killed Iran's president and others?

FILE - Iranian President Ebrahim Raisi addresses a ceremony marking anniversary of the death of the late Revolutionary Guard Gen. Qassem Soleimani, shown in the poster in background, who was killed in Iraq in a U.S. drone attack in 2020, at Imam Khomeini Grand Mosque in Tehran, Iran on Jan. 3, 2023. President Raisi, the country's foreign minister and others have been found dead at the site of a helicopter crash Monday, May 20, 2024, after an hourslong search through a foggy, mountainous region of the country's northwest, state media reported. - AP

TEHERAN / BEIRUT (AP): The helicopter crash that killed Iran’s president and foreign minister has sent shock waves around the region.

Iranian state media said on Monday that President Ebrahim Raisi, the country’s foreign minister, Hossein Amirabdollahian, and others have been found dead at the site after an hourslong search through a foggy, mountainous region of the country’s northwest.