"It's precisely the large-scale Russia's interference that led to the truce," Lukashevich said.
According to Lukashevich, Russia used all its opportunities to influence the parties to the conflict to end the hostilities fully supporting the OSCE Minsk Group efforts co-chaired by the United States, Russia and France.
The violence in Nagorno-Karabakh, an Azerbaijani breakaway region with a predominantly Armenian population, escalated on April 2 with the sides blaming each other for provoking hostilities.
The OSCE Minsk Group has been mediating the Nagorno-Karabakh conflict settlement since 1992. The group's ambassadors met in Vienna on Tuesday to discuss the recent outbreak of violence in the region. The same day, Azerbaijan and Armenia agreed on an immediate ceasefire, but have since accused each other of multiple violations.
The Nagorno-Karabakh conflict began in 1988, when the autonomous region sought to secede from the Azerbaijan Soviet Socialist Republic. The region proclaimed independence when the Soviet Union collapsed in 1991.