Employees of the Security Service of Ukraine detained four pro-Kremlin provocateurs in different regions of the country.

As reported by the department, anti-Ukrainian propagandists acted in Kyiv, Mykolayiv, Khmelnitsky and Kharkiv regions.

"To fulfill the tasks of curators from the Russian special services, they posted calls on social networks VKontakte and Odnoklassniki for riots to the Constitution Day of Ukraine," the SBU.

In connection with this department, criminal proceedings have been instituted under Art.. 109 (actions aimed at violent change or overthrow of the constitutional system), 110 (encroachment on the territorial integrity and inviolability of Ukraine) and 258-3 (creation of a terrorist group) of the Criminal Code of Ukraine.