RA NSC staff considers all possible challenges resulting from Armenian-Turkish border opening and establishment of ties, NSC Secretary Arthur Baghdasaryan told a news conference in Yerevan. "Armenia and Diaspora have concerns over Armenia-Turkish normalization and border opening. I want to assure you that RA National Security Council studies all challenges, considering the potentials of state system. Establishment of diplomatic ties will be accompanied by elaboration of a relevant program aimed at providing solution to those problems," Arthur Baghdasaryan noted, adding that Armenia's national security currently faces no threat.