Iran's president helicopter crash: IranianPresident Raisi missing | LiveNOW from FOX

Helicopter crash: Iranian President Ebrahim Raisi, andother officials crashed in the mountainous northwest reaches of Iran.

A massive rescue operation is underway in thefog-shrouded forest as officials ask the public to pray.

Officials say the lives of President Raisi and ForeignMinister Hossein Amirabdollahian are at risk following the crash.

"We are still hopeful but information coming from thecrash site is very concerning," the official told Reuters,speaking on condition of anonymity.