An element of the Venezuelan army checks a car, near the Main Customs Border between Colombia and Venezuela, in the city of San Antonio de Tachira, capital of the Bolivar municipality, in the Tachira State, Venezuela, on Aug. 30, 2015. Venezuela's President Nicolas Maduro decided to close part of the border with Colombia since Aug. 19, after three Venezuelan soldiers and a civilian were injured in an attack of alleged smugglers in the border area. (Xinhua/Str)

Baggages of persons waiting to cross the international bridge are seen near the Main Customs Border between Colombia and Venezuela, in the city of San Antonio de Tachira, capital of the Bolivar municipality, in the Tachira State, Venezuela, on Aug. 30, 2015. Venezuela's President Nicolas Maduro decided to close part of the border with Colombia since Aug. 19, after three Venezuelan soldiers and a civilian were injured in an attack of alleged smugglers in the border area. (Xinhua/Str)

Residents wait to cross the international bridge near the Main Customs Border between Colombia and Venezuela, in the city of San Antonio de Tachira, capital of the Bolivar municipality, in the Tachira State, Venezuela, on Aug. 30, 2015. Venezuela's President Nicolas Maduro decided to close part of the border with Colombia since Aug. 19, after three Venezuelan soldiers and a civilian were injured in an attack of alleged smugglers in the border area. (Xinhua/Str)

The elements of the Venezuelan army check a car near the Main Customs Border between Colombia and Venezuela, in the city of San Antonio de Tachira, capital of the Bolivar municipality, in the Tachira State, Venezuela, on Aug. 30, 2015. Venezuela's President Nicolas Maduro decided to close part of the border with Colombia since Aug. 19, after three Venezuelan soldiers and a civilian were injured in an attack of alleged smugglers in the border area. (Xinhua/Str)

An element of the Venezuelan army checks a car, near the Main Customs Border between Colombia and Venezuela, in the city of San Antonio de Tachira, capital of the Bolivar municipality, in the Tachira State, Venezuela, on Aug. 30, 2015. Venezuela's President Nicolas Maduro decided to close part of the border with Colombia since Aug. 19, after three Venezuelan soldiers and a civilian were injured in an attack of alleged smugglers in the border area. (Xinhua/Str)

Residents wait to cross the international bridge near the Main Customs Border between Colombia and Venezuela, in the city of San Antonio de Tachira, capital of the Bolivar municipality, in the Tachira State, Venezuela, on Aug. 30, 2015. Venezuela's President Nicolas Maduro decided to close part of the border with Colombia since Aug. 19, after three Venezuelan soldiers and a civilian were injured in an attack of alleged smugglers in the border area. (Xinhua/Str)

Residents wait to cross the international bridge near the Main Customs Border between Colombia and Venezuela, in the city of San Antonio de Tachira, capital of the Bolivar municipality, in the Tachira State, Venezuela, on Aug. 30, 2015. Venezuela's President Nicolas Maduro decided to close part of the border with Colombia since Aug. 19, after three Venezuelan soldiers and a civilian were injured in an attack of alleged smugglers in the border area. (Xinhua/Str)

Residents wait to cross the international bridge near the Main Customs Border between Colombia and Venezuela, in the city of San Antonio de Tachira, capital of the Bolivar municipality, in the Tachira State, Venezuela, on Aug. 30, 2015. Venezuela's President Nicolas Maduro decided to close part of the border with Colombia since Aug. 19, after three Venezuelan soldiers and a civilian were injured in an attack of alleged smugglers in the border area. (Xinhua/Str)