Hundreds of migrants atop train arrive in Juarez

Hundreds of migrants arrived atop a train at the U.S.-Mexico border on Monday.

Video shows dozens of migrants atop each of the covered box hoppers as the train arrives in south Juarez, across the border from El Paso, Texas.

Since Saturday, hundreds of migrants have been gathering in Juarez and lining up along the border wall in hopes of surrendering to U.S. Border Patrol agents