The Armenian side is constantly strengthening the line of contact between the Nagorno Karabakh and Azerbaijani armed forces.

“We are working at nights over security reasons, as the Azerbaijanis are firing at our positions,” spokesman for the NKR defense army Senor Hasratyan told PanARMENIAN.Net.

Earlier, the Azerbaijan Press Agency reported that Armenians are digging trenches and strengthens the positions, working mostly at night.