YEREVAN. – Armenia's former presidential candidate, head of opposition party Paruyr Hayrikyan will start a hunger strike on Sunday.

The hunger strike is a voice of protest and will remind president Sargsyan of the need to resign, Hayrikyan told Armenian News-NEWS.am.

On the next day the leader of National Self-Determination Union will hold a rally in Liberty Square .

Hayrikyan said he would stop a hunger strike as soon as the president resigns.