Migrants catch a ride on a freight train on their way north, in Salto del Agua, Chiapas state, Mexico, Tuesday, June 25, 2019. The group’s next stop will be Coatzacoalcos, Veracruz state.

TACOTALPA, Mexico - An engineer shouted for the young migrant woman to hurry up and climb aboard the freight train or she’d be left behind. In her bright red tennis shoes, she quickened her pace ...

The train may have been carrying as many as 400 migrants, and Mexico’s Immigration Institute said it detained 40. The most recent such raid occurred May 1 in the state of Oaxaca.