New Delhi/IBNS: Prime Minister Narendra Modi has mourned the death of Iran President Ebrahim Raisi, who died after the helicopter in which he was travelling crashed in a dense forest area in East Azerbaijan on Sunday.

Modi posted on X, "Deeply saddened and shocked by the tragic demise of Dr. Seyed Ebrahim Raisi, President of the Islamic Republic of Iran. His contribution to strengthening India-Iran bilateral relationship will always be remembered.

"My heartfelt condolences to his family and the people of Iran. India stands with Iran in this time of sorrow."

On Monday morning, it was announced that all the passengers of the crashed helicopter were martyred, reported Mehr news agency.

Head of the Iranian Red Crescent Society (IRCS) Pirhossein Kolivand earlier in the day said the spot where the helicopter crash has been located.

There was no sign of surviving passengers, he told the news agency.

As many as 73 rescue teams are currently involved in the search and rescue process.

Earlier on Sunday, Ebrahim Raisi inaugurated the Qiz Qalasi and Khodaafarin dams with Azerbaijani President Ilham Aliyev.