The Co-Chairs of the OSCE Minsk Group are in Vienna to brief member states of the organization on the Nagorno-Karabakh conflict, Co-Chair James Warlick tweeted

“Then, it's an important visit to the region to discuss NKpeace,” he tweeted.

The Co- Chairs will arrive in Armenia on February 17,spokesperson for Armenian Foreign Ministry Tigran Balayan said on Thursday .