The summit of CIS heads of states opened on Saturday in Dushanbe, Tajikistan.  

The meeting is held behind the closed doors, RIA Novosti reported.

The leaders are considering the issues of future development of CIS and are discussing topical international problems.

President of Armenia Serzh Sargsyan arrived in Dushanbe on Friday. The leaders of Azerbaijan, Uzbekistan and Belarus have not arrived for the meeting.