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.
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![An Iranian man displays his ink-stained finger after casting his ballot during the parliamentary election on 21 February, 2020. [Getty]](/sites/default/files/styles/image_156x88/public/2021-06/GettyImages-1202150487.jpg?h=a31d927f&itok=EFEKs5Hx)
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