Iran's President Raisi declared dead: What do we know so far about the helicopter crash

The helicopter crash that killed Iran’s president and foreign minister has sent shock waves around the region. Iranian state media said on Monday (May 20) 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.