Mexican mine must halt work to resolve dispute, U.S. tells RRM panel

A mine in Zacatecas, Mexico, must cease operations as a first step toward remediating a labor dispute with a long, knotty history, the U.S. told a U.S.-Mexico-Canada Agreement dispute panel last week during a first-of-its-kind hearing under the deal’s rapid-response mechanism. In its closing argument at the end of a two-day hearing in Mexico City, the U.S. said halting work at the San Martín Mine, operated by Grupo México, was needed to return negotiating leverage to unionized workers on strike...