"As a country that has an open-arms policy towards Venezuelans, we have received many important figures from the democratic opposition", said Federico Hoyos, Colombia's ambassador to Canada. The stash included at least 19 rifles and 118 magazines, high-caliber ammunition, as well as 90 radios and six mobile phones - and was likely sent from Miami, Florida on Sunday, authorities believe.
French President Emmanuel Macron tweeted out his support Monday, saying France recognizes Guaido as Venezuela's "president in charge" and said "Venezuelans have the right to express themselves freely and democratically".
The United States said over the weekend that it was mobilising humanitarian aid for Venezuela, which has been suffering from shortages of basic household items, at the request of Juan Guaido, who has declared himself Venezuela's interim president. "Venezuela calls on the decent and independent governments of the world to reject the threats made by Trump against the sovereignty of the country".
The US, which has not ruled out a military intervention in crisis-wracked Venezuela, was the first to recognise him as acting president, followed by a dozen Latin American countries.
Venezuela said it will review its bilateral ties with those countries until there is a "rectification that discards their support for the coup plans".
The 35-year-old Guaido, the head of Venezuela's National Assembly, has galvanized the opposition with a hopeful message.More news: Neymar: Paris Saint-Germain release official statement on Brazil superstar fitness concerns
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- The top brass of Venezuela's military has shown no sign of leaving Maduro's side.
Some EU countries hoped to go further than a joint statement on Venezuela agreed ten days ago declaring Maduro's re-election illegitimate and warning of "further actions, including on the issue of recognition of the country's leadership" if new elections are not called soon.
Canada has announced a humanitarian relief package for Venezuela.
Canadian Prime Minister Justin Trudeau said he would formally recognize Guaido's chosen envoy as Venezuela's legitimate representative in Canada in a move his government called symbolic.
Opposition politician Miguel Pizarro said Mr Guaido's team would talk about how the aid would move once it was in place. Uruguay's central bank and the office of the country's president did not immediately respond to requests for comment. He accused the opposition of taking orders from the United States.
But its statement was more measured than that of CUPE, focusing on calling for the government to "promote dialogue to foster a peaceful solution to the Venezuelan crisis".
Russia, China and Turkey still back socialist Mr Maduro and have accused Western nations of meddling in Venezuela's internal affairs.