Having crossed into Colombia early on Saturday, Guaido briefly boarded one of the trucks as they set off towards the border, carrying 600 tons of nutritional supplements, medicine, and hygiene products into the poverty-stricken country. Even as several million Venezuelans flee and those who remain struggle to find basic goods like food and antibiotics, Maduro denies that a crisis exists.
Guaido sensationally claimed that the Venezuelan military, whose high command has repeatedly declared absolute loyalty to Maduro, "participated in this process" to get him into Colombia.
Thirteen members of Venezuelan securities forces had defected on February 23, including 10 members of the National Guard officers and two police officers, Colombia's migration authority said.
As tensions grow between Colombia and Venezuela, the two countries are hosting rival music concerts on their sides of the border.
Mark Lowcock, head of the United Nations Office for the Coordination of Humanitarian Affairs, said that while UN agencies, such as the Pan American Health Organization and UNICEF, can only operate in Venezuela with the permission of the Maduro regime, they refuse to "compromise on our principles of neutrality, independence and impartiality".
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The Home Office has sent a letter to her family, asking them to tell her about the ruling and inform her of her right to appeal. Shamima Begum's British citizenship has been revoked by the Home Office.
The first truck loaded with humanitarian aid from the Brazilian government arrived in the border city of Pacaraima, on Saturday, ahead of its entry into Venezuela from Brazil.
Gonzalez said soldiers shot and killed a 34-year-old indigenous Venezuelan woman and injured 17 others.
But instead, as volunteers attempted to unload the trucks, they found themselves under tear gas attack, as security forces carried out orders to uphold President Nicolas Maduro's border blockade.
Guaido called on the military to arrest those responsible for the killings, "or you will be responsible". A Venezuelan general was negotiating with the tribe for the return of three lieutenants and a sergeant captured by the indigenous forces. "The world is watching", the statement added.
At 6:30 a.m. on Friday, a military convoy approached a checkpoint set up by an indigenous community in the southern village of Kumarakapai, which rests on the main artery linking Venezuela to Brazil. The vehicles are driven by Venezuelans and escorted by Brazilian police, organizers said.
Riding by the bridge on his bike, college student Frander Duenas said he hoped to sneak into Colombia to see Branson's Venezuela Aid Live because he's a fan of the musicians performing.
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The pair also noted discussing "the role alternative arrangements could play in replacing the backstop in future". Instead, May is set to ask for legally binding assurances that the backstop will not be extended indefinitely.
Oriana Gutierrez said she travelled 14 hours to attend Friday's concert organized by billionaire Richard Branson and wanted to stay through the following day to help bring in aid.
The Venezuelan government has also closed its maritime border with Aruba, Curacao and Bonaire and, in the western state of Falcon, stopped flights to and from those islands. After Guaido invoked Venezuela's charter on January 23 to declare himself head of state, the U.S. urged other nations to recognize the 35-year-old as president. The leaders greeted the crowd before the concert ended.
Al Jazeera's Alessandro Rampietti, reporting from Cucuta on Saturday, said the opposition had "given up on getting the aid through, at least for today" as a result of the Venezuelan security forces' blocking efforts.
"Performers took to the stage against a giant backdrop emblazoned with the words "#Trump Hands off Venezuela", with around 2,500 people in attendance.
Gonzalez said soldiers fired rubber bullets and tear gas.
Maduro has said peace is what he wants.
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However, Sarri defended the Italy midfielder, saying his side's start highlighted how much they needed the 27-year-old. But I'm so, so happy about my players and what they delivered today.