The front-line of the political crisis in Venezuela has moved to the border.
Military trucks barricaded a bridge crossing to Colombia to block aid meant to ease the worsening humanitarian situation.
The food and medicine was arranged by President Maduro’s rival Juan Guaido and Mr Maduro is refusing to let it though.
As the standoff between the two men continues, thousands of people are leaving the country.
Many of them are crossing at Cucuta – on the Venezuela-Colombia border – from where our US correspondent Amanda Walker reports.
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