ArmInfo.CSTO Secretary General Stanislav Zas has made a statement on the escalation in Nagorno-Karabakh.
"The CSTO Secretariat is concerned over the reports on armed clashes in Nagorno-Karabakh, which claimed human lives. I am extending my profound condolences to the killed servicemen's families. We are urging the conflicting parties to refrain from using force and use only diplomatic means of settling disagreements," the statement.