The Armenian President Serzh Sargsyan will meet the Russian president Vladimir Putin, in the Russian Black Sea city of Sochi, later today.
According to the Kremlin twitter feed the two sides will discuss bilateral relations, the Karabakh conflict and the international situation.
Putin and Sargsyan last met in March.
Zohrab Mnatsakanyan told Armenian MPs discussions on the Nagorno Karabakh conflict will continue in June in the framework of the OSCE Minsk Group process.
On Tuesday, Armenian foreign ministry spokesperson Tigran Balayan told the Armenian media that the Azerbaijani side was carrying out engineering works at the Nakhchivan sector of the border, and that this "poses a danger to Armenian military positions".