BREAKING NEWS

Watch: Firefight reported between Guaido supporters and Maduro supporters

Gunshots were heard at a rally led by Venezuelan opposition leader Juan Guaido outside a Caracas air base, Reuters witnesses said, after Guaido said earlier that troops had joined him to oust President Nicolas Maduro.

Reuters witnesses said men in military uniform, who were accompanying Guaido at the scene, were exchanging fire with soldiers acting in support of Maduro. The witnesses said the shots appeared to be live rounds.