The exact date of the visit of co-chairmen of OSCE Minsk Group to the region of the Nagorno Karabakh conflict is still unknown, said Bernard Fassier, the French co-chair of OSCE MG. He said OSCE Minsk group mediators are going to meet early May in Moscow to discuss the current stage of the conflict resolution and further actions. Following Moscow meeting, the co-chairs will probably visit the region, Fassier added. He said also the date of consultation and visit would be disclosed in a few days, reports Trend.