"The EU special representative was informed that Azerbaijan is not interested in border tensions and supports the diplomatic solution of these issues," the ministry said in a press release.
At the same time, the Ministry of Foreign Affairs of Armenia states that it also had a conversation with Klaar.
Acting Armenian Foreign Minister Armen Grigoryan discussed the current situation with the European diplomat.
The parties mutually stressed the need to "make every necessary effort to de-escalate the situation."
On the night of July 28, the Defense Ministries of Armenia and Azerbaijan accused each other of aggressive actions.
As a result of the firefight with the use of mortars, several soldiers from both sides were killed and injured.
By morning, Baku and Yerevan agreed on a ceasefire - mediating efforts were made by the command of the Russian peacekeeping forces.
The Kremlin is aware of what happened.
CSTO Secretary General Stanislav Zas expressed serious concern about the situation on the border.