They reported that a conflict arose between the contractor’s employees and its management on the plant’s territory because of disagreements over the reimbursement of labor patents, which grew into riots.

“A criminal case has been opened on the grounds of a crime under Part 2 of Art. 212 of the Criminal Code of Russia ("Participation in the riots"), "the report said.

As noted, at present the situation is under the control of units of the internal affairs bodies.

In addition, investigators began checking media publications about facts of non-payment of salaries to employees of a contracting organization.

Earlier, the prosecutor's office announced the initiation of a case of hooliganism in connection with the riots at the Amur Gas Processing Plant.