According to the ministry, 10 persons were injured, 2 killed as a result of incident, in which 200 people have participated.
At the same time, the source in the law-enforcement agencies denied the report on death of a police officer.
Most of them are migrants, armed with bats, sticks, and metal bars.
Police and special forces are trying to deal with the fight, shooting into the air, but so far their attempts are proving unsuccessful.
As a result of incident, a police officer was reportedly killed.
A criminal investigation has been launched.