OSCE Misnk Group Co-Chairs on the Nagorno Karabakh settlement Yuri Merzlyakov (Russia), Bernard Fassier (France) and Matthew Bryza (U.S.A.), as well as Special Representative of OSCE Chairman-in-Office Andrzej Kasprzyk arrived in Stepanakert from Yerevan on Thursday. In the framework of the visit a meeting between the Co-Chairs and NKR President Arkadi Ghukassian is scheduled. After the meeting the mediators will answer the questions of journalists, 'Novosti Armenia' reports.