A thick mass of fog caused the helicopter that was carrying Raisi and his companions to crash into the mountain, an Iranian probe has concluded on Sunday.
![Raisi was travelling in an antiquated Bell 212 chopper which crashed, leading to his death [Getty]](/sites/default/files/styles/image_156x88/public/2024-05/GettyImages-465895926.jpg?h=a7e7c04b&itok=oB0IXopK)
