Members of the Bolivarian National Guard who joined Venezuelan opposition leader and self-proclaimed acting president Juan Guaido fire into the air to repel forces loyal to President Nicolas Maduro who arrived to disperse a demonstration near La Carlota military base in Caracas on April 30, 2019. - Guaido -- accused by the government of attempting a coup Tuesday -- said there was "no turning back" in his attempt to oust President Nicolas Maduro from power. (Photo by FEDERICO PARRA/AFP/Getty Images)