After threats spread on social networks, police stepped up their work with schools. Internet publications were checked and contacts were made with educational institution administrations and parents. The number of checks cannot be confused with the number of arrests or preventive conversations.

The initial report raised questions about the scale of inspections and the number of participants in various procedures. Until verified with official statistics, they are not reproduced as established indicators. The material was left in draft so as not to increase anxiety with unreliable numbers.