President of Azerbaijan
Report informs citing AzerTag that the letter reads:
"Dear Vladimir Vladimirovich,
"I was deeply saddened by the news of heavy casualties as a passenger plane made an emergency landing at the Sheremetyevo airport.
"On behalf of the people of Azerbaijan and on my own behalf, I extend my deepest condolences to you, the families and loved ones of those who died, and the whole people of Russia, and wish the injured the swiftest possible recovery."