Armenian police have demanded that the protesters on the Baghramyan Avenue in the downtown Yerevan immediately leave the area and move towards the Freedom Square.
The police also threatened to use force, said Russian news agency Interfax June 28.
Armenian police chief, Vladimir Gasparyan gave the protesters 30 minutes to leave the Baghramyan Avenue.
The police have already seized microphones and loudspeakers from the protesters.
Police forces and special equipment have also been dispatched to the Baghramyan Avenue.