International mediators visited the region last week and met the two presidents, afterwards announcing that the two countries had agreed to re-engage in discussions.
According to Armenian sources 19 year old Chaplin Margharyan was killed by Azerbaijani gunfire on Tuesday (10 Ocotber) on the international border between the two countries.
Opening the summit, President Putin said the meeting will chart the path for further strengthening interaction within the CIS and the leaders will exchange opinions on what should be done to make the Commonwealth and its structures more efficient.
The Foreign Affairs Committee of the European Parliament proposes the set-up of trust funds for Eastern neighbours as part of a series of recommendations ahead of the Eastern Partnership summit to be held in Brussels in November
Summits of the presidents of the CIS and EEAU will be held in Sochi this week. There is specualtion the long expected Aliyev-Sargsyan summit may take place there as well