“I am shocked by the investigation into the events that are being reported today,” RIA Novosti quoted the minister as saying.
He also thanked the police and investigators for their good protection and vigilance.
According to Spiegel, during the investigation, searches and arrests were carried out on suspicion of preparing explosions and other acts of violence.
Investigators seized a large amount of weapons and ammunition and arrested four suspects.
According to investigators, the goal of the group members was to destroy power supply facilities in order to cause a long-term power outage throughout the country.
The authorities also said in a statement that "the kidnapping of prominent public figures was part of the plans."
It is clarified that, in particular, it was about the kidnapping of the Minister of Health of Germany, Karl Lauterbach.