Arrived on the scene of the detention order of private security. Police found two citizens. One of them was lying on the ground unconscious. The second participant fights sat nearby. The victim was sent to the city hospital. Doctors diagnosed him a head injury, brain injury, intracranial hematoma. Employees of private security determined that injuries to the victim struck a 27-year-old local resident. Among young people there is a conflict, later developed into a fight. As a result, one of them grabbed a stone and struck him several blows to the head. The suspect was taken to the police station for further investigation. In the police department revealed that the suspect has been convicted three times for crimes of varying severity. He made a confession. A criminal case under article «The infliction of grievous bodily harm.» The sanction of this article is punishable by imprisonment for up to eight years.