But hurdles remain. Azerbaijan also said Armenia’s constitution must “eliminate the claims against the sovereignty and territorial integrity of Azerbaijan,” as a prerequisite to allow for the signing of the peace treaty.

The European Union says conclusion of Azerbaijan and Armenia talks and agreement on the text of a possible treaty, "a decisive step."

The United States of America has welcomed the completion of negotiations between Armenia and Azerbaijan on a historic peace treaty, according to a statement on the US State Department’s website.