Armenia, a member of the CSTO, said it is "not Russia's ally in the war with Ukraine."
The CSTO is Russia's equivalent of NATO, but members have snubbed Putin since its invasion of Ukraine.
Experts say the alliance is crumbling as Russia's invasion exacerbated existing tensions.
"We are not Russia's ally in the war with Ukraine.
Some of those snubs directly related to the Ukraine war, including Kazakhstan denying Russia's request to send troops when the invasion began.
Persons:
Putin, —, Nikol Pashinyan, Pashinyan, Vladimir Putin, it's, Dmitry Peskov
Organizations:
NATO, Service, CNN Prima, Security, Organization, Reuters
Locations:
Armenia, Ukraine, Czech, Russia, Kazakhstan, Belarus, Kyrgyzstan, Tajikistan, Soviet Union, Azerbaijan, Moscow