CUCUTA, Colombia – Venezuelan doctors demonstrated Sunday at the entrance to a country-blocked bridge in their country to demand that humanitarian aid be allowed to enter, the chief of the country's military. Opposition, Juan Guaido, having acknowledged that the conflict for food and medical supplies could lead to clashes.

Carrying a giant Venezuelan flag, some 20 doctors in white coats asked the army to remove a tanker truck and two containers that were blocking the Tienditas international bridge where the humanitarian aid provided by the local authorities is stored. United States.

The doctors protested on the Colombian side of the border, saying that they would suffer consequences for organizing a similar demonstration on the Venezuelan side.

Dr. Katia Diaz, a psychiatrist, said that every day that help is waiting for her to travel to Venezuela represents one more day in which the lives of patients are in danger.

"These containers represent the arrogance of a dictator," she said. "It exposes the lack of humanity, compassion for the pain of our people."

Guaido, the president of the National Assembly and four dozen nations recognized as the legitimate president of Venezuela, urged the armed forces to think carefully about how they would proceed. While attending a religious service on Sunday with his family, he acknowledged that the quarrel between those who want and do not want to let the help in can lead to clashes.

"It depends on you," he said to the army. "We are not talking between the lines.We are talking clearly and decisively, giving an order to the armed forces: Allow help."

President Nicolas Maduro has promised not to let the supply stop, saying that Venezuela is not a nation of beggars. He says that food, hygiene kits and emergency medical equipment are part of a broader ploy launched by the United States to remove him from power.

The United States has provided assistance and the Colombian government has helped ensure its transport to the border, but the opposition is responsible for managing the distribution of aid to Venezuela. They have not yet announced how they plan to bring in help if the army does not consent to it.

Guaido declared himself Venezuela's interim president in front of a crowd of supporters in late January, arguing that, according to the Constitution, he would become head of state, as Maduro's reelection was a sham.