It clarifies the TASS, the staff of the department including finding out how the minutes of the meetings were conducted while the former head of state, Petro Poroshenko, was in power.
Works are carried out in the office of the current leader Vladimir Zelensky.
"This applies to those meetings that are associated with the planning of military operations during the presidency of the former head of Ukraine Petro Poroshenko," the text clarifies.
According to the source, investigators are interested in “who and what spoke during the meetings, who signed the documents, under the“ top secret ”signature.
In May, NSDC Secretary Oleksandr Danilyuk said that servers with secret information were missing from the situation room located in the presidential administration of Ukraine.
Subsequently, Svyatoslav Tsegolko, a former press secretary of Poroshenko, explained that the equipment was rented at the expense of the former leader, and later returned to the owner.
Read more about what happened - in the material RT.