Maria Corina Machado, a Venezuelan opposition leader, was briefly detained amid protests in Caracas. Despite her release, tensions remain high as the opposition challenges President Maduro's ...

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.

Maria Corina Machado, a 57-year-old engineer with rock-star appeal, became the fearless figurehead of Venezuela's opposition ...