Hundreds of Migrants in Southern Mexico Board ‘The Beast’ Heading North

Central American migrants, moving in a caravan through Juchitan, Oaxaca are pictured atop a train known as "The Beast" while continuing their journey toward the United States, in Mexico on April 26, 2019. Jose Cortes/Reuters

IXTEPEC, Mexico—Hundreds of migrants hoping to reach the United States boarded a freight train in southern Mexico late on Thursday, frustrated by efforts to slow their progress by the Mexican government, which is under pressure from U.S. President Donald Trump.