KALININGRAD, July 7 The lead singer of the Moral Code group Sergey Mazaev has been discharged from the emergency hospital in Kaliningrad, the hospital's emergency room reported.
The singer was urgently hospitalized on Thursday before a concert in Svetlogorsk, Kaliningrad Region; on July 4, the group's anniversary concert in honor of its 35th anniversary was to take place at the Yantar-Hall variety theater. 
«Sergey Mazaev has been discharged from the hospital,» the agency’s interlocutor said.
As reported by the box office of the variety theater, the concert has not been cancelled, but has been postponed to a later date.
«The date of the new concert has not yet been determined. Whether or not to return the tickets is at the discretion of the viewers. We will return the money if there is no possibility to wait for the new concert,» the box office responded.
There is also no information on the website of the Yantar-Hall theater about the new date of the Moral Codex group concert. All upcoming dates are scheduled with performances by other artists and musicians.