Spain has denied involvement in negotiations between Venezuelan opposition leader Edmundo Gonzalez and President Nicolas Maduro's government for his flight to Spain, before which he signed a letter saying he accepted Maduro's victory in the country's July election.

"They showed up with a document that I would have to sign to allow my departure from the country," González said. "In other words, either I signed or I would face consequences. There were very tense hours of coercion,