OSCE Minsk Group Co-Chairs do not prepare any revolutionary ideas on the Karabakh conflict settlement, Interfax reported. "I would not like to break the confidentiality of the negotiation process. I can only say that the elements discussed by the OSCE MG Co-Chairs contain no surprises", OSCE MG US Co-Chair Steven Mann stated. He informed that April 27 in Frankfurt the Co-Chairs will discuss the Nagorno Karabakh conflict settlement with Azerbaijani Foreign Minister Elmar Mamedyarov.