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Who exactly set fire to the cars is unknown.
The fire injured 10 people / photos twitter.com/apichardobНа the border of Venezuela and Colombia burned the trucks that delivered humanitarian aid to the Venezuelans.

See also the UN reported that from Venezuela has left more than 3 million people

About this on his Twitter page wrote the head of the opposition National Assembly of Venezuela Juan Guido, who declared himself acting President of the country.

“The usurper regime has resorted to the most vile actions and tries to burn the truck with humanitarian aid… Our brave volunteers to create the environment for the protection of food and drugs,” he said.

According to local media, the fire injured at least 10 people. What was the cause of the fire is still unknown. Subsequently, the journalists said they had been burned all the trucks with humanitarian aid.

El usurpador régimen se vale de los actos más viles e intenta quemar el camión con ayuda humanitaria que se encuentra en Ureña.

Voluntarios están Nuestros valientes on each performing a una cadena para salvaguardar la comida y las medicinas.

La avalancha humanitaria es indetenible pic.twitter.com/bU2PPzSGcu

— Juan Guaidó (@jguaido) February 23, 2019

As reported the UNIAN, January 10, Nicolas Maduro took office as President of Venezuela after the re-election for a second term. The US and Latin America called him a usurper of power, who has led the country to a humanitarian crisis.

21 January in the capital, Caracas, a group of soldiers demanded to remove the President from power and called on citizens to join the protests.

January 23, opposition leader Juan Guido declared himself acting head of state. Maduro called it a coup d’etat by Washington, and announced the severance of diplomatic relations with the United States. He stated that he did not intend to leave the post of President of Venezuela before the expiration of the term of office in 2025.

On 26 January, US Secretary of state Mike Pompeo said that China and Russia support the regime of Maduro in Venezuela with a plan to return billions of dollars invested in his regime.

#URGENTE PNB quema tres camiones de ayuda humanitaria al lanzar bombas lacrimógenas contra la caravana de voluntarios #23Feb / vía @luisgonzaloprz#23Febpic.twitter.com/ahTGTzjaKo

— NTN24 Venezuela (@NTN24ve) February 23, 2019

Deputy UN Secretary-General for political Affairs rosemary Di Carlo has said about the serious deterioration of the humanitarian situation in Venezuela. According to the UN, in 2015, Venezuela left about 2.3 million people.

On 31 January the European Parliament recognized Guido legitimate interim President of Venezuela. Also, Guido as the legitimate President of Venezuela recognized the United States, Canada, Latin America.

On 4 February, the President of France, heads of the governments of Spain and Austria, the foreign Ministers of Britain, Denmark and Latvia declared recognition of Guido acting President of Venezuela.