Russian Foreign Ministry building. Archival photoMOSCOW, Sep 14Moscow is in close contact with Baku and Yerevan and is taking measures to help stabilize the situation on the Armenian-Azerbaijani border as soon as possible, Denis, director of the fourth department of the CIS countries of the Russian Foreign Ministry, told RIA Novosti in an interview. Gonchar. «We are in close contact with Baku and Yerevan. We are taking the necessary measures to help stabilize the situation as soon as possible,» he said. Fighting broke out on the border between Armenia and Azerbaijan on Tuesday night, the parties accused each other of provocations. Yerevan turned to Russia, the CSTO and the UN Security Council in the morning. Armenia reported that the Azerbaijani military had opened artillery fire on the country's territory. According to Yerevan, Baku used drones and also took «actions to advance positions» in some areas. The areas on the border — Gegharkunik, Vayots Dzor, Syunik regions (connects Armenia with Iran), which are not related to Nagorno-Karabakh, were hit. Both sides reported losses among their military. The organization of the collective security treaty decided to send its mission to Armenia, headed by the Secretary General CSTO by Stanislav Zas.