The protest rally is still underway in Armenian capital.
The protesters blocked access roads before the parliament, and they are trying to hinder the election of Serge Sarkisyan to the post of Prime Minister of the country.
The tents are opened on the "French" square, where several hundred people stayed all night long.
Police subdivisions are mobilized on nearby streets. For the fourth day, thousands of demonstrators protested against the appointment of the former Presdent as Prime Minister of the country.
Up to 50 people were injured during yesterday"s clash with law enforcers in the center of Yerevan.