The negotiating process for the settlement of the Nagorno Karabakh conflict continues in the framework of the Prague process, US Ambassador to Azerbaijan Reno Harnish stated at a news conference in Baku. In his words, significant improvements have been achieved in agreeing on main principles, which can be basis of a just and lasting peace. "The United States will do its utmost to remove differences in the stances of the sides," Reno Harnish concluded, reports APA.