As President Nicolas Maduro's rule hangs in the balance in Venezuela, Russia risks losing its long-cultivated main ally in Latin America and billions invested in oil and arms contracts.
Russian President Vladimir Putin spent years building up an alliance with Venezuela's late populist leader Hugo Chavez and his successor Maduro, often playing host to the two in Moscow.
As pressure has built on Maduro from self-proclaimed acting president Juan Guaido and his Western allies, Russia has stood firm behind its man in Caracas. Foreign Minister Sergei Lavrov on Tuesday vowed Moscow would "do everything" to protect its ally.
Behind this support, analysts say, is an understanding that if it loses Venezuela, Moscow will have few allies to speak of in Latin America.
"Venezuela is practically the last thing that Vladimir Putin has left in Latin America," said Vladimir Rouvinski, a Russian international relations specialist at Colombia's Icesi University.
Moscow likes to present itself as an "alternative" superpower in Washington's backyard. But while it has close ties with Venezuela and traditional ally Communist Cuba, Moscow's relations with Brazil, Ecuador and
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