Russian President Dmitry Medvedev (l) meets with President Ilham Aliyev of Azerbaijan (not pictured) and Serzh Sarkisian (Serzh Sargsyan ) (r) of Armenia (not pictured) in St. Petersburg on June 4, 2009. The leaders of bitter ex-Soviet rivals Armenia and Azerbaijan met for rare peace talks as Russia cast itself as peacemaker in the South Caucasus. Russia called for a peaceful resolution of Armenia-Azerbaijan dispute over the Nagorny Karabakh region.