(Reuters) -Iranian President Ebrahim Raisi, a hardliner long seen as a potential successor to Supreme Leader Ayatollah Ali Khamenei, was killed in a helicopter crash in mountainous terrain near the Azerbaijan border, officials and state media said on Monday.

The following are reactions to the news:

IRAQ PRIME MINISTER MOHAMMED SHIA AL-SUDANI, IN A STATEMENT:

"With profound sadness and deep sorrow, we received the tragic news of the passing of the President of the Islamic Republic of Iran, Ibrahim Raisi, the Minister of Foreign Affairs, Hossein Amir Abdollahian, and their companions, due to the unfortunate plane crash incident in northern Iran. We extend our heartfelt condolences and sympathies to the Supreme Leader of the Islamic Republic, Ali Khamenei, and to the nation of Iran, its government and people. We express our solidarity with the brotherly Iranian people and the officials of the Islamic Republic during this painful tragedy."

HAMAS STATEMENT:

The statement conveyed Hamas' "deepest condolences and solidarity" to Iran's Supreme Leader Ali Khamenei, the Iranian government, and the Iranian people for "this immense loss."

It praised the deceased Iranian leaders for supporting the Palestinian cause and resistance against Israel and expressed confidence that Iran's "deep-rooted institutions" will enable it to overcome "the repercussions of this great loss."

MOHAMMED ALI AL-HOUTHI, HEAD OF YEMEN'S HOUTHI SUPREME REVOLUTIONARY COMMITTEE, ON X, FORMERLY TWITTER:

"Our deepest condolences to the Iranian people, the Iranian leadership, and the families of President Raisi and the accompanying delegation on their reported martyrdom. We ask God to grant their families patience and solace. Verily we belong to Allah and to Him we shall return. The Iranian people will remain adhering to the loyal leaders of their people, by God's will."

INDIAN PRIME MINISTER NARENDRA MODI ON X, FORMERLY TWITTER:

"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."

(Compiled by Global News Desk)