Yesterday head of the department of foreign relations A. Petrosian arrived in Baku to participate in the meeting of the third general assembly of the capitals of the Black Sea economic cooperation countries-members. As protest against the arrival of Yerevan official, a radical group, called «Organization of liberation of Karabakh» picketed Baku city hall. About forty organization activists were crying out words condemning the government as they had let an Armenian arrive in Baku. It should be reminded that April 15 leader of this organization Akif Nagi was arrested by the Baku police for organization of unauthorized demonstration of protest against the participation of the delegation of the Armenian scientists in the international scientific forum taking place in Baku.