NATO Deputy Assisstant Secretary General for Political Affairs and Special Representative for the Caucasus and Central Asia James Appathurai calls on Armenian and Azerbaijani sides to prevent the escalation.
"We are following with concern the developments on the bilateral border of Armenia and Azerbaijan, involving the use of heavy weapons and resulting in the loss of lives. We echo the Minsk Group Chairs in calling upon all sides to take all necessary measures to prevent further escalation", wrote James Appathurai on Facebook.
