On 31 August President Bako Sahakyan received premier of the Republic of Armenia Tigran Sargsyan who arrived in Artsakh to take part in the celebrations dedicated to the 22nd anniversary of the Artsakh Republic's proclamation. After the tête-a-tête meeting between Bako Sahakyan and Tigran Sargsyan the discussions continued in an enlarged format. The expansion and deepening of economic cooperation between the two Armenian states, as well as a number of joint projects were discussed during the meeting. Prime-minister Ara Haroutunyan and other officials partook in the meeting.