China said on Wednesday a newspaper report that Chinese diplomats had held talks with Venezuela's political opposition to protect its investments in the Latin American country was "fake news".
Canadian Prime Minister Justin Trudeau Monday pledged Can$53 million (US$40 million) in humanitarian aid for Venezuelans amid a deepening crisis.
With hours to go until a deadline passes for Nicolas Maduro to call fresh elections or lose yet more support on the world stage, the Venezuelan leader alluded to a possible civil war in comments to media.
US President Donald Trump said that sending the military to Venezuela was "an option" and that he had turned down President Nicolas Maduro's request for a meeting.
An active Venezuelan general called on the armed forces to rebel against President Nicolas Maduro and to recognize the opposition leader Juan Guaido as interim chief as pressure at home and abroad grows on the head of state to step down.
The fight for control of Venezuela intensified on Wednesday as the government pushed a probe that may lead to the arrest of opposition leader and self-declared interim president Juan Guaido who called for new street protests.