MOSCOW, June 22 - RAPSI. The Khamovnichesky District Court in Moscow has extended until August 19 mixed martial artist Rasul Mirzayev's detention.

Mirzayev has been charged with the death of 19-year-old student Ivan Agafonov.

The court has satisfied the investigators appeal. The defense objected to the satisfaction of the appeal and said there are no grounds to claim that Mirzayev plans to hide or destroy any evidence in the case.

The investigation into the case has been completed and Mirzayev may face up to 15 years in prison for inflicting physical damage resulting in death.

The investigation maintains that Mirzayev punched Agafonov outside a nightclub in Moscow on August 13. Agafonov was taken to a hospital, where he died several days later without regaining consciousness. Mirzayev's counsel insisted on changing the charge to reckless homicide as Agafonov allegedly died after falling on the pavement, rather than from Mirzayev's punch.

The case was originally opened over charges of grave injury leading to death, but later changed to involuntary homicide, which is punishable by up to two years in prison.

According to the Investigative Committee, after the case was remanded to the prosecutors office, the investigators returned to the initial charge.