Acting Armenian Prime Minister Nikol Pashinyan sent a letter to the incumbent Chairperson of the CSTO Collective Security Council, President of Tajikistan Emomali Rahmon, with a request to immediately activate the mechanism of emergency consultations with the purpose of coordinating the positions of CSTO-member States and taking measures to counter the emerging threats within the framework of the implementation of the provisions of Article 2 of the Collective Security Treaty of May 15, 1992,.

The Acting Prime Minister of Armenia also addressed letters to all CSTO-member States to notify them of the above and provide detailed information about the situation.

On the morning of May 12, the armed forces of Azerbaijan violated the border of Armenia in the southern province of Syunik, advancing 3.5 kilometers and surrounding Sev Lake, which is situated on the border between the two countries but is predominantly a part of Armenia. On May 13, the Azerbaijani military committed more border violations against Armenia, advancing near Vardenis (Gegharkunik province) and Sisian (Syunik province).