As a row over foreign humanitarian aid continues, Venezuelan President Nicolás Maduro has announced he is closing the border with Brazil on Thursday night.
The embattled leftist leader went on TV to say that he was also considering shutting the border with Colombia to stop the opposition bringing in relief.
He denies any crisis and calls the aid delivery plans a US-orchestrated show.
Meanwhile Opposition leader Juan Guaidó is leading a convoy to the Colombian border from the capital Caracas.