The Latest: Venezuela partially closes Colombian border

Diosdado Cabello, President of Venezuela's Constituent Assembly, talks to supporters during the first day of the "Hands off Venezuela" three-day music festival at the Tienditas International Bridge, in Urena, Venezuela, Friday, Feb. 22, 2019, on the border with Colombia. Venezuela's power struggle is set to convert into a battle of the bands Friday when musicians demanding Nicolas Maduro allow in humanitarian aid and those supporting the embattled leader's refusal sing in rival concerts being held at both sides of a border bridge where tons of donated food and medicine are being stored. (AP Photo/Rodrigo Abd)
Diosdado Cabello, President of Venezuela's Constituent Assembly, talks to supporters during the first day of the "Hands off Venezuela" three-day music festival at the Tienditas International Bridge, in Urena, Venezuela, Friday, Feb. 22, 2019, on the border with Colombia. Venezuela's power struggle is set to convert into a battle of the bands Friday when musicians demanding Nicolas Maduro allow in humanitarian aid and those supporting the embattled leader's refusal sing in rival concerts being held at both sides of a border bridge where tons of donated food and medicine are being stored. (AP Photo/Rodrigo Abd)
People walk to the Venezuela Aid Live concert that will play on the Colombian side of the border near the Simon Bolivar International Bridge, from San Antonio del Tachira, Venezuela, Friday, Feb. 22, 2019. Venezuela's power struggle is set to convert into a battle of the bands Friday when musicians demanding Nicolas Maduro allow in humanitarian aid and those supporting the embattled leader's refusal sing in rival concerts being held at both sides of a border bridge where tons of donated food and medicine are being stored. (AP Photo/Rodrigo Abd)
People walk to the Venezuela Aid Live concert that will play on the Colombian side of the border near the Simon Bolivar International Bridge, from San Antonio del Tachira, Venezuela, Friday, Feb. 22, 2019. Venezuela's power struggle is set to convert into a battle of the bands Friday when musicians demanding Nicolas Maduro allow in humanitarian aid and those supporting the embattled leader's refusal sing in rival concerts being held at both sides of a border bridge where tons of donated food and medicine are being stored. (AP Photo/Rodrigo Abd)
Venezuela's self-proclaimed interim president Juan Guaido, center, arrives at the Venezuela Aid Live concert on the Colombian side of the Tienditas International Bridge near Cucuta, Colombia, on the border with Venezuela, Friday, Feb. 22, 2019. (AP Photo/Fernando Vergara)
Venezuela's self-proclaimed interim president Juan Guaido, center, arrives at the Venezuela Aid Live concert on the Colombian side of the Tienditas International Bridge near Cucuta, Colombia, on the border with Venezuela, Friday, Feb. 22, 2019. (AP Photo/Fernando Vergara)
People begin to fill the Venezuela Aid Live concert on the Colombian side of the Tienditas International Bridge on the outskirts of Cucuta, Colombia, on the border with Venezuela, Friday, Feb. 22, 2019. Venezuela's power struggle is set to convert into a battle of the bands Friday when musicians demanding Nicolas Maduro allow in humanitarian aid and those supporting the embattled leader's refusal sing in rival concerts being held at both sides of a border bridge where tons of donated food and medicine are being stored. (AP Photo/Fernando Vergara)
People begin to fill the Venezuela Aid Live concert on the Colombian side of the Tienditas International Bridge on the outskirts of Cucuta, Colombia, on the border with Venezuela, Friday, Feb. 22, 2019. Venezuela's power struggle is set to convert into a battle of the bands Friday when musicians demanding Nicolas Maduro allow in humanitarian aid and those supporting the embattled leader's refusal sing in rival concerts being held at both sides of a border bridge where tons of donated food and medicine are being stored. (AP Photo/Fernando Vergara)
People walk to the Venezuela Aid Live concert that will play on the Colombian side of the border, in Urena, Venezuela, Friday, Feb. 22, 2019. Venezuela's power struggle is set to convert into a battle of the bands Friday when musicians demanding Nicolas Maduro allow in humanitarian aid and those supporting the embattled leader's refusal sing in rival concerts being held at both sides of a border bridge where tons of donated food and medicine are being stored. (AP Photo/Rodrigo Abd)
People walk to the Venezuela Aid Live concert that will play on the Colombian side of the border, in Urena, Venezuela, Friday, Feb. 22, 2019. Venezuela's power struggle is set to convert into a battle of the bands Friday when musicians demanding Nicolas Maduro allow in humanitarian aid and those supporting the embattled leader's refusal sing in rival concerts being held at both sides of a border bridge where tons of donated food and medicine are being stored. (AP Photo/Rodrigo Abd)
Spanish singer Miguel Bose performs during the Venezuela Aid Live concert on the Colombian side of the Tienditas International Bridge near Cucuta, Colombia, on the border with Venezuela, Friday, Feb. 22, 2019. (AP Photo/Fernando Vergara)
Spanish singer Miguel Bose performs during the Venezuela Aid Live concert on the Colombian side of the Tienditas International Bridge near Cucuta, Colombia, on the border with Venezuela, Friday, Feb. 22, 2019. (AP Photo/Fernando Vergara)
People fly Venezuelan flags and chant anti-government slogans as they drive to the Venezuela Aid Live concert that will play on the Colombian side of the border, in Urena, Venezuela, Friday, Feb. 22, 2019. Venezuela's power struggle is set to convert into a battle of the bands Friday when musicians demanding Nicolas Maduro allow in humanitarian aid and those supporting the embattled leader's refusal sing in rival concerts being held at both sides of a border bridge where tons of donated food and medicine are being stored. (AP Photo/Rodrigo Abd)
People fly Venezuelan flags and chant anti-government slogans as they drive to the Venezuela Aid Live concert that will play on the Colombian side of the border, in Urena, Venezuela, Friday, Feb. 22, 2019. Venezuela's power struggle is set to convert into a battle of the bands Friday when musicians demanding Nicolas Maduro allow in humanitarian aid and those supporting the embattled leader's refusal sing in rival concerts being held at both sides of a border bridge where tons of donated food and medicine are being stored. (AP Photo/Rodrigo Abd)
People begin to fill the Venezuela Aid Live concert on the Colombian side of the Tienditas International Bridge on the outskirts of Cucuta, Colombia, on the border with Venezuela, Friday, Feb. 22, 2019. Venezuela's power struggle is set to convert into a battle of the bands Friday when musicians demanding Nicolas Maduro allow in humanitarian aid and those supporting the embattled leader's refusal sing in rival concerts being held at both sides of a border bridge where tons of donated food and medicine are being stored. (AP Photo/Fernando Vergara)
People begin to fill the Venezuela Aid Live concert on the Colombian side of the Tienditas International Bridge on the outskirts of Cucuta, Colombia, on the border with Venezuela, Friday, Feb. 22, 2019. Venezuela's power struggle is set to convert into a battle of the bands Friday when musicians demanding Nicolas Maduro allow in humanitarian aid and those supporting the embattled leader's refusal sing in rival concerts being held at both sides of a border bridge where tons of donated food and medicine are being stored. (AP Photo/Fernando Vergara)
Venezuela Aid Live concert organizer Sir Richard Branson speaks to the crowd prior to the start of the concert on the Colombian side of the Tienditas International Bridge on the outskirts of Cucuta, Colombia, on the border with Venezuela, Friday, Feb. 22, 2019. Venezuela's power struggle is set to convert into a battle of the bands Friday when musicians demanding Nicolas Maduro allow in humanitarian aid and those supporting the embattled leader's refusal sing in rival concerts being held at both sides of a border bridge where tons of donated food and medicine are being stored. (AP Photo/Fernando Vergara)
Venezuela Aid Live concert organizer Sir Richard Branson speaks to the crowd prior to the start of the concert on the Colombian side of the Tienditas International Bridge on the outskirts of Cucuta, Colombia, on the border with Venezuela, Friday, Feb. 22, 2019. Venezuela's power struggle is set to convert into a battle of the bands Friday when musicians demanding Nicolas Maduro allow in humanitarian aid and those supporting the embattled leader's refusal sing in rival concerts being held at both sides of a border bridge where tons of donated food and medicine are being stored. (AP Photo/Fernando Vergara)
Women cross the Tachira river at the border between Venezuela and Colombia to attend the Venezuela Aid Live concert on the Colombian side of the border, in Palotal, Venezuela, Friday, Feb. 22, 2019. Venezuela's power struggle is set to become a battle of the bands Friday when musicians demanding President Nicolas Maduro allow in humanitarian aid and those supporting his refusal sing in rival concerts being held at both sides of a border bridge where tons of donated food and medicine are stored.(AP Photo/Fernando Llano)
Women cross the Tachira river at the border between Venezuela and Colombia to attend the Venezuela Aid Live concert on the Colombian side of the border, in Palotal, Venezuela, Friday, Feb. 22, 2019. Venezuela's power struggle is set to become a battle of the bands Friday when musicians demanding President Nicolas Maduro allow in humanitarian aid and those supporting his refusal sing in rival concerts being held at both sides of a border bridge where tons of donated food and medicine are stored.(AP Photo/Fernando Llano)