Mexico asks US to investigate tear gas incident at border

MEXICO CITY (AP) — Mexico’s foreign affairs ministry has formally asked the United States government through its embassy for a thorough investigation into a Jan. 1 incident in which U.S. agents fired tear gas into Mexico to stop crossing migrants.
In a statement Thursday, the ministry said it lamented any violent acts along its border. It reiterated its commitment to the safety of migrants.
In the first hours of the new year, about 150 migrants attempted to breach the border fence in