Iran's President Ebrahim Raisi has died in the helicopter crash.
• The helicopter encountered heavy fog and made a hard landing while traveling in a convoy to Tabriz.
• Raisi was returning from the Iran-Azerbaijan border area.
• Despite challenging weather conditions, an extensive search operation was launched.
https://www.bbc.co.uk/news/live/world-middle-east-69035051?src_origin=BBCS_BBC