Machado’s appearance at the rally was her first public appearance in months, since a government crackdown on Venezeulan opposition figures and their supporters last year.

The brief arrest of Maria Corina Machado provoked swift condemnations from political leaders across the globe.

Venezuelan opposition leader Edmundo González, who claims to have defeated President Nicolás Maduro in last year’s presidential election, says that his son-in-law has been kidnapped in Venezuela’s capital.