The murder occurred on the evening of August 7 in the village of Tungur. Kalbukova stabbed a drunken pensioner during the celebration of the wedding.
Kalbukov allegedly quarreled with a 74-year-old guest who was drunk. He at least once hit the President of the MMA federation with a knife in the chest, investigators said.
Telegram channel Shot wrote that the blow fell right in the heart of the athlete. He was bleeding in place.
The pensioner, who is suspected of attack, was detained. Law enforcement officers opened a criminal case.
