It is reported by RIA Novosti.
As the agency clarifies, the demonstrations were preceded by auto marches that began from the village of Sardarapat and the city of Aparan.
The rally began with the performance of the anthems of Armenia and the unrecognized Nagorno-Karabakh Republic.
Earlier it was reported that a clash broke out between the police and supporters of the Resistance opposition movement near the residence of the President of Armenia in Yerevan.