Armenia's absence at the CSTO summit in Belarus highlights the growing rift between Russia and Armenia over the Nagorno-Karabakh conflict. Armenian Prime Minister Nikol Pashinyan snubbed the summit due to dissatisfaction with the organization. The Armenian government accuses Russian peacekeepers of failing to stop Azerbaijan's onslaught in Nagorno-Karabakh. Relations between Armenia and Russia have further strained, with Russia accusing Armenia of a pro-Western tilt.