On April 1, starting from 22:00 to 22:20 the Armenian armed forces units from the positions in the directions of Arazdeyen settlement of Davali region and Saybali settlement of Garakilsa region using small arms periodically subjected to fire the Azerbaijan Army positions stationed in the directions of Heydarabad settlement of Sadarak region and Bichanak settlement of Shahbuz region of the Nakhchivan Autonomous Republic.