Armenia and Azerbaijan were unable to come to an agreement on the path to peace in Nagorny Karabakh after a meeting in Russia’s Kazan on Friday, but said some progress had been made.

Russian President Dmitry Medvedev hosted Armenian leader Serzh Sargsyan and Azerbaijani president Ilham Aliyev of in the Volga city of Kazan for talks on a settlement to the two-decade conflict over Nagorny Karabakh.

“The heads of states confirmed mutual understanding on the range of issues that contribute to the creation of the conditions for approving the major principles,” a joint statement said.