PM Nikol Pashinyan, who deepened ties with US, faces challenge from pro-Russia parties in upcoming parliamentary polls.

The document was signed by Armenian Foreign Minister Ararat Mirzoyan and US Secretary of State Marco Rubio

US Secretary of State Marco Rubio expressed support for Armenian Prime Minister Nikol Pashinian during a short stopover at Yerevan's Zvartnots airport on May 26, less than two…