President-elect Donald Trump gave Venezuelan President Nicolas Maduro a stern warning on Thursday not to harm his country’s opposition leader. The president-elect issued the message after reports surfaced that Maria Corina Machado,

During her detention, an aide said, Maria Corina Machado “was forced to record several videos.” She has garnered enormous support for her opposition to Nicolás Maduro.

María Corina Machado, the Venezuelan opposition leader, was arrested on Thursday while leading a protest against the swearing in of autocratic president Nicolás Maduro.