Protesters face off in dueling rallies in Venezuela's capital

Photos: In photos: Venezuela in crisis
Supporters of Venezuelan opposition leader Juan Guaido wave a Venezuelan flag as they wait for him to make an appearance in the country's capital of Caracas on Monday, March 4.
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Photos: In photos: Venezuela in crisis
Guaido greets supporters upon arriving at a Caracas airport on March 4. He crossed the border to Colombia in late February before embarking on a South American tour, meeting the presidents of Colombia, Brazil, Paraguay and Ecuador, along with US Vice President Mike Pence. By doing so, Guaido ignored a travel ban imposed on him by the country's Supreme Court.
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Photos: In photos: Venezuela in crisis
Guaido shakes hands with Pence in Bogota, Colombia, on Monday, February 25. The room was filled with humanitarian aid destined for Venezuela. Guaido's wife, Fabiana Rosales, is pictured at left.
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Photos: In photos: Venezuela in crisis
Demonstrators clash with Venezuelan soldiers at the Simon Bolivar International Bridge in Cucuta, Colombia, on Saturday, February 23.
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Photos: In photos: Venezuela in crisis
Supporters of President Maduro take part in a march in Caracas on February 23.
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Photos: In photos: Venezuela in crisis
Guaido supporters take part in a march in Caracas on February 23. Venezuelan security forces fired tear gas and rubber bullets to disperse a crowd demanding to cross the Venezuela-Colombia border, which was ordered closed by Maduro.