“The celebration for the best graduates of the“ Ball of Medalists ”is canceled,” says a statement on the city government’s website.

Also in St. Petersburg from June 17, it is prohibited to hold mass events with the number of spectators more than 3 thousand people.

Earlier it became known that from June 17 in St. Petersburg food courts, children's rooms in restaurants and cafes will be suspended, and entertainment and entertainment events at public catering facilities will be suspended.