In consequence of the incident, which occurred on 12 November, Azerbaijan shot down a Mi-24 helicopter belonging to the armed forces of Armenia. The unrecognized Nagorno-Karabakh Republic, told that the helicopter belonged to her and was not carrying military equipment. The incident with the helicopter Mi-24 was again aggravated the situation around Nagorno-Karabakh. International adepts of the OSCE mission in Karabakh settlement expressed their own concern in consequence of the incident, as this can seriously affect the enforcement of the armistice. "Azerbaijan has announced the airspace over the occupied lands closed to flights and in the prescribed manner, notify all members of the International civil aviation organization", - quotes "Interfax" the Ministry of foreign Affairs of Azerbaijan. The foreign Ministry requires that the shooting at the helicopter, was conducted in response to military aggression of neighboring powers. Azerbaijan's foreign Ministry stressed that he believes the invasion of Mi-24 across the border illegally, and among other things emphasizes that it is "the continuation of the occupation and aggression against Azerbaijan, as well as policy encroachment on the territorial integrity and sovereignty of the Republic". The Ministry of defense of the unrecognized Nagorno-Karabakh Republic (NKR) stressed that the Azerbaijani side on Wednesday knocked's not a combat helicopter Mi-24 of the NKR armed forces, which carried out a training flight. The Ministry of defense of Armenia, in turn, threatened Azerbaijan substantial consequences for the attack on the helicopter. Press Secretary of the Ministry of defense powers Artsrun Hovhannisyan stressed - examination of the wreckage of the helicopter will approve that it was not military equipment. Make a normal examination of the wreckage and even pick up the bodies of the dead crew members, however, not feasible - the news media in the area of the crash of the helicopter 8 hours of continues fire. The helicopter crashed to the ground, caught in 500 metres from the Azerbaijani perspective. The growth of violence in Nagorno-Karabakh is causing considerable concern to the international community. The co-chairs of the OSCE Minsk group on Karabakh, Russia, United States, France called on the parties to refrain from escalating the incident. "The co thrilled to see the events that led up to this incident, the first since the achievement of the armistice agreement. We urge all parties to avoid actions that could lead to the escalation of violence along the line of contact on the Armenian-Azerbaijani border," - says the statement, published on the website of the OSCE. "The region cannot afford another thread violence, witnesses to whom we began this summer," reads the statement. The military forces of the Azerbaijan shot down a mi-24 of 12 November at around 2 PM. The Azerbaijani defense Ministry insists that the aircraft was released on the combat course and attempted to attack the positions of Azerbaijani army and was shot down by return fire. Followers of Armenia and the Nagorno-Karabakh Republic, in turn, noted that the helicopter was not a combat and performed training flight.