A FerroMex train out of Zacatecas, Mexico and heading toward the U.S. southern border was packed with migrants who could be heard cheering while hanging off the sides of the cars, video shows.

The train was captured on video on Sunday, despite the U.S. sending a stern message to migrants: “do not come.”

Border patrols along the southern border have been facing overwhelming numbers of illegal crossings.

For instance, Ajo, Arizona, saw 2,000 illegal crossings a day for several straight days last week, forcing agents to resort to street releases because shelters are packed. The migrants include people from Africa.

Last month, there were well over 20,000 migrants in Border Patrol custody, according to a U.S. Customs and Border Protection source, in the Rio Grande Valley sector in Texas.

Caravans heading toward the southern border included families with infants and children, along with unaccompanied minors.

Of the families that were stopped along the Rio Grande Valley, many were released with future court dates.

The Biden administration is considering forcing migrants who cross into the U.S. to illegally remain in Texas while they wait out their asylum screening. 

Officials with the administration have cited the plan as a way to curb the flow of illegal immigrants at the southern border. The plan would also include the implementation of ankle bracelets to track their location, for migrants who are actually caught. But the administration sued Texas to force it to remove a barrier the state floated in the Rio Grande in an effort to curb the historic level of illegal migration. The Biden administration also sued Arizona for building a barrier out of shipping containers on its border with Mexico. 

Of the families that were stopped along the Rio Grande Valley, many were released with future court dates.

The Biden administration is considering forcing migrants who cross into the U.S. to illegally remain in Texas while they wait out their asylum screening. 

Officials with the administration have cited the plan as a way to curb the flow of illegal immigrants at the southern border. The plan would also include the implementation of ankle bracelets to track their location, for migrants who are actually caught. But the administration sued Texas to force it to remove a barrier the state floated in the Rio Grande in an effort to curb the historic level of illegal migration. The Biden administration also sued Arizona for building a barrier out of shipping containers on its border with Mexico.