According to the Defense Ministry of the Nagorno-Karabakh Republic, Armenian forces along the line of contact came under surprise attack by a 20-man Azerbaijani reconnaissance or sabotage unit at about 11:30 PM on June 18.
Menurut Kementerian Pertahanan Republik Nagorno-Karabakh, pasukan Armenia di sepanjang garis kontak diserang secara mendadak oleh 20 orang Azerbaijan sekitar pukul 23:30 pada tanggal 18 Juni.