A trilateral meeting on the Nagorno-Karabakh with participation of Azerbaijani President Ilham Aliyev, Russian President Vladimir Putin and Armenian President Serzh Sargsyan began in President Putin's Sochi residence Bocharov Stream on August 10.
The leaders are negotiating amid sharp deterioration of the situation in Nagorno-Karabakh, resulting in both sides' casualties during the shootings, RIA Novosti reported.
