Heavy rain and fog has made rescue efforts more difficult. Reuters
People gather at Valiasr Square in Tehran, following the death of Iranian president Ebrahim Raisi. AFP
Wreckage from Mr Raisi's helicopter at the crash site on a mountain in Varzaghan area, north-western Iran. Reuters
Candles lit to offer condolences over the deaths of Mr Raisi and other leading officials, outside the Iranian embassy, in Baghdad. Reuters
Women mourn the death of Mr Raisi at Valiasr Square in Tehran. AFP
Iran's First Vice President Mohammad Mokhber, next to the empty seat of Mr Raisi, addresses the cabinet in Tehran. AFP
Rrescuers recover bodies at the crash site of in Varzaghan in north-western Iran. AFP
A screengrab shows the crash site of the helicopter that was carrying Iranian President Ebrahim Raisi, in East Azerbaijan province. AFP
Iranian President Ebrahim Raisi and Azerbaijan's President Ilham Aliyev visit Qiz Qalasi dam on the Azerbaijan-Iran border on Sunday. Reuters
The helicopter thought to be carrying Mr Raisi takes off from the Iran-Azerbaijan border after the inauguration of the dam on the Aras river. AFP
A screen grab shows the moment a drone locates the crash site using thermal imaging. Getty Images
A screengrab provided by Iranian state television shows President Ebrahim Raisi, left, with a member of his delegation on-board a helicopter in Iran's East Azerbaijan province. AFP
People pray for the well-being of Mr Raisi in Tehran after receiving news that his helicopter had crashed. Reuters
People follow the news of the helicopter crash in a shop in Tehran. Reuters
Iranian Shiite pilgrims pray for Mr Raisi at the Imam Ali shrine in Najaf, Iraq. Reuters
Mr Raisi was visiting Azerbaijan before he flew south as part of a convoy of three helicopters. AFP
Mr Raisi during a meeting with Mr Aliyev before the inauguration ceremony of the Qiz Qalasi dam. AFP
Officials said the helicopter carrying Mr Raisi was forced to make a 'hard landing, in Iran's East Azerbaijan province, sparking a massive rescue operation. AP
Rescue vehicles in Varzaghan, East Azerbaijan Province. Reuters
A screengrab from Iranian state television shows rescuers heading towards the site of the crash. AFP
The forested area in East Azerbaijan province was covered in fog on Sunday. AFP
Heavy rain and fog has made rescue efforts more difficult. Reuters
People gather at Valiasr Square in Tehran, following the death of Iranian president Ebrahim Raisi. AFP
Wreckage from Mr Raisi's helicopter at the crash site on a mountain in Varzaghan area, north-western Iran. Reuters
Candles lit to offer condolences over the deaths of Mr Raisi and other leading officials, outside the Iranian embassy, in Baghdad. Reuters
Women mourn the death of Mr Raisi at Valiasr Square in Tehran. AFP
Iran's First Vice President Mohammad Mokhber, next to the empty seat of Mr Raisi, addresses the cabinet in Tehran. AFP
Rrescuers recover bodies at the crash site of in Varzaghan in north-western Iran. AFP
A screengrab shows the crash site of the helicopter that was carrying Iranian President Ebrahim Raisi, in East Azerbaijan province. AFP
Iranian President Ebrahim Raisi and Azerbaijan's President Ilham Aliyev visit Qiz Qalasi dam on the Azerbaijan-Iran border on Sunday. Reuters
The helicopter thought to be carrying Mr Raisi takes off from the Iran-Azerbaijan border after the inauguration of the dam on the Aras river. AFP
A screen grab shows the moment a drone locates the crash site using thermal imaging. Getty Images
A screengrab provided by Iranian state television shows President Ebrahim Raisi, left, with a member of his delegation on-board a helicopter in Iran's East Azerbaijan province. AFP
People pray for the well-being of Mr Raisi in Tehran after receiving news that his helicopter had crashed. Reuters
People follow the news of the helicopter crash in a shop in Tehran. Reuters
Iranian Shiite pilgrims pray for Mr Raisi at the Imam Ali shrine in Najaf, Iraq. Reuters
Mr Raisi was visiting Azerbaijan before he flew south as part of a convoy of three helicopters. AFP
Mr Raisi during a meeting with Mr Aliyev before the inauguration ceremony of the Qiz Qalasi dam. AFP
Officials said the helicopter carrying Mr Raisi was forced to make a 'hard landing, in Iran's East Azerbaijan province, sparking a massive rescue operation. AP
Rescue vehicles in Varzaghan, East Azerbaijan Province. Reuters
A screengrab from Iranian state television shows rescuers heading towards the site of the crash. AFP
The forested area in East Azerbaijan province was covered in fog on Sunday. AFP
Heavy rain and fog has made rescue efforts more difficult. Reuters
Rescue teams search for Iranian President Raisi's missing helicopter - in pictures
