"The agencies of the United Nations and the International Committee of the Red Cross are not taking part in the US-Colombian show on the [Venezuelan] border due to a certain reason: it is absolutely clear that this operation has political goals and could not be described as humanitarian," Arreaza wrote on his Twitter page.
READ MORE: 'I'm Governing and Will Continue Governing’ Venezuela — Maduro
The situation in crisis-torn Venezuela escalated on January 23 when the opposition leader, Juan Guaido, declared himself interim president, disputing last year's re-election of Maduro. Guaido was almost immediately recognized by the United States and some other countries. Russia, China, Mexico, among other nations, voiced support for Maduro, who, in turn, accused Washington of orchestrating a coup.