The Azerbaijani Embassy in Moscow has sent a note of protest to the Russian Ministry of Foreign Affairs (MFA). The note was issued in connection with the participation of the Nagorno Karabakh Republic (NKR) in an international tourist exhibition which opened in Moscow. The Embassy said that they had not received an answer to the note up to 15 May evening. A group of Azerbaijani students held a protest action during the exhibition to hinder the participation of the Nagorno-Karabakh republic in the event, Trend reports.