India, Sept. 20 -- Alexander Tyunin, a Russian businessman and reported executive at Khimprominzhiniring, part of the state nuclear giant Rosatom, was found dead in the Moscow region settlement of Kokoshkino, The U.S. Sun has reported.

Tyunin's body was reportedly discovered lying on the ground with a bullet wound, and a rifle found nearby. Russian state media has labeled the incident a suicide.

According to reports, authorities recovered a suicide note at the scene, which included a message believed to have been written by Tyunin. The note also reportedly listed the phone number of his wife.

"I did it myself - I've been tired of fighting depression for five years. It keeps getting worse. I have no strength left," the note read, accord...