On May 18, 1992 the defense army of Artsakh liberated Lachin, now Berdzor, breaking the deadly blockade and securing communication between Armenia and NKR, the Road of Life. Liberation of Lachin was a logical conclusion of Shushi-Lachin operation.

Before the liberation of Lachin, Nagorno Karabakh suffered a severe economic blockade. Electricity and gas supplies were halted. Ammunition, food and medicine were delivered from Armenia by civil aviation, the flight becoming possible after liberation of Khojalu, where the only airport in Karabakh was located.