"In view of comparative confidentiality of contacts between the OSCE Minsk Group Co-chairs and both parties to the Nagorno Karabakh conflict one can suppose that Madrid talks focused on previous proposals with renewed wordings of the issues Yerevan and Baku have failed to coordinate so far," former OSCE MG Russian Co-chair, Ambassador Vladimir Kazimirov told a PanARMENIAN.Net reporter.

"I suppose that the mediators consider these wordings admissible for both sides. Besides, the opinion of the third party should be also taken into account. However, it's merely a supposition of mine," the Russian diplomat said.

In Madrid, the Co-chairs presented a package of base principles of the conflict settlement for further consideration of the Presidents.