Venezuelan doctors have been protesting at a bridge which has been blocked to prevent humanitarian aid from entering the country.
The doctors called on the Venezuelan military to remove a tanker and cargo containings blocking the Tienditas International Bridge.
They protested on the Colombian side of the border to avoid repercussions at a time of huge political tension.
Opposition leader Juan Guaidó who has proclaimed himself interim President and that the Nicholas Maduro's presidency is illegitimate.
The United States has imposed harsh sanctions on the country's oil exports.
Jens Laerke, a spokesman for the U.N. Office for the Coordination of Humanitarian Affairs is committed to delivering aid.
IN: On the
OUT... need alone.
DUR: 24"