Ten people prepared a violent change in the foundations of the constitutional system in the western part of the country, the National Security Committee said. Suspected members of an extremist group were arrested in Atyrau. They are also suspected of promoting terrorism and inciting religious hatred. During the searches, weapons, drugs and religious literature were found. According to the intelligence service, the detainees organized three underground education centers for children and teenagers. Their activity was stopped. In the past, several members of the group have already been convicted of terrorist offenses.