Tehran, May 21 (Reporter) Chief of Staff of the Iranian Armed Forces Major General Mohammad Bagheri has assigned a high-ranking delegation to investigate the helicopter crash in which President Ebrahim Raisi and his accompanying team, including Foreign Minister Hossein Amir-Abdollahian, were killed. The delegation headed by Brigadier Ali Abdollahi has been dispatched to the site of the accident and the investigation has already begun. The results of the investigations will be announced later when the mission is completed, IRNA news agency reported. President Raisi was returning from a ceremony to open a dam on Iran’s border with Azerbaijan on Sunday when his helicopter crashed in Varzaqan, northwestern Iran, on Sunday. Foreign Minister Hossein Amirabdollahian and a number of senior provincial officials who were also on board the helicopter were all killed...////...