"Ninety per cent of us in the armed forces are really unhappy," Colonel Ruben Paz Jimenez said in a video released Saturday. "We are being used to keep them in power."
He urged his fellow soldiers to help allow humanitarian aid into Venezuela. The shipment of US aid is currently in Cucuta, Colombia, on the border.
Maduro has vowed to prevent the aid from entering, labeling it a precursor of a US invasion.
Venezuela's self-proclaimed acting president Guaido on Friday refused to rule out the possibility of authorizing United States intervention to help force President Nicolas Maduro from power and alleviate a humanitarian crisis.
Under Maduro's stewardship, oil-rich Venezuela's economy has collapsed leaving the country wracked by hyperinflation, recession and shortages of basic necessities such as food and medicine.
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