Ukraine's representatives in the Trilateral Contact Group on resolution of the conflict in Donbas (which is made up of Ukraine, the Organization for Security and Cooperation in Europe (OSCE), and Russia) have emphasized the importance of a set of security measures to implementation of the Minsk agreements ahead of a meeting of heads of state in the "Normandy format" (Ukraine, Germany, France, and Russia). Daria Olifer, the spokeswoman for former (1994-2005) president Leonid Kuchma, who represents Ukraine in the Trilateral Contact Group, announced this on Facebook, Ukrainian News Agency reports. "The set of security measures is key to implementation of the entire set of Minsk agreements. We are talking of a complete cease-fire, closure of the border, withdrawal of foreign troops and weapons, and granting the OSCE SMM access to the section of the Ukrainian-Russian border that is not controlled by Ukraine. We emphasize that this is extremely important on the eve of tomorrow's meeting of the leaders of the "Normandy format" countries in Berlin," Olifer wrote after a meeting of the trilateral contact group via videoconference. According to her, the Ukrainian side paid special attention to the situation involving the memorandum of 19 September 2014, which, among other things, provides for Ukrainian control of Debaltseve (Donetsk region), during the video conference. "Among other things, this document requires the forces of both sides to stop at line of contact that existed as of 19 September 2014, which has been violated by individual districts of Donetsk and Luhansk regions," she said. In addition, according to her, representatives of individual districts of Donetsk and Luhansk regions are not abiding by the ban on deployment of heavy weapons and military equipment near population centers of Komsomolske, Kumachove, Novoazovsk, and Sakhanka. As Ukrainian News Agency earlier reported, President Petro Poroshenko, German Chancellor Angela Merkel, and French President Francois Hollande have agreed to hold a meeting in the "Normandy format" in Berlin (Germany) on October 19. Ukraine's representatives in the Trilateral Contact Group on resolution of the conflict in Donbas is insisting that the process of separation of the Ukrainian Armed Forces and the forces of armed groups from some districts of Donetsk and Luhansk regions in the in agreed areas along the line of contact should be constantly monitored by the OSCE's Special Monitoring Mission to Ukraine.