Armenia and Azerbaijan should respect their presidents’ commitments, OSCE Minsk Group Co-Chair said.

“Armenia and Azerbaijan should respect the Presidents' commitment and the ceasefire. More violence is not acceptable,” he tweeted.

The OSCE Minsk Group Co-Chairs travelled to the region December 15-19 to discuss recent developments in the Nagorno-Karabakh peace process. The Co-Chairs met with Azerbaijani President Aliyev on December 15 in Baku, and with Armenian President Sargsian on December 16 in Yerevan. They travelled to Nagorno-Karabakh on December 17 to meet with the de facto authorities.