Thousands of trucks heading for Texas thunder down the highway each day towards Nuevo Laredo, the busiest crossing point for freight on the Mexico-US border.
Top business leaders visited on Thursday to inaugurate a $US100 million ($169 million) international rail freight bridge over the Rio Grande, described by Mexican President Claudia Sheinbaum as a symbol of North American integration. But three days earlier, Nuevo Laredo hit the news for a different reason.
