MOSCOW (Reuters) - Russia said on Wednesday that Armenian Prime Minister's Nikol Pashinyan's decision to stay away from a summit of the Russia-led Collective Security Treaty Organisation (CSTO) was the latest anti-Russian move by Armenia orchestrated by the West. Relations between Russia and Armenia, which are formally allies, have soured in recent months, with Yerevan publicly questioning the value of its partnership with Russia and trying to deepen ties with the West. Some Armenians blamed Russia for failing to stop what Baku called an anti-terrorist operation, an allegation that Moscow has rejected. Russian Foreign ministry spokeswoman Maria Zakharova told reporters that Russia saw Pashinyan's refusal to attend the CSTO summit as the latest in a "chain" of events. The West, whose plans in Ukraine have failed, is now gripping Armenia, trying to tear it away from Russia," she said.

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Persons: Minister's Nikol, Maria Zakharova, Armenpress, Dmitry Antonov, Felix Light, Andrew Osborn Organizations: Security, Organisation, West . Relations, West, Russian Foreign, Russia Locations: MOSCOW, Russia, Armenia, Yerevan, Azerbaijan, Nagorno, Karabakh, Baku, Moscow, Russian, Ukraine