U.S. border officials strictly limit the number of asylum seekers they allow to legally cross ports of entry every day, creating an enormous backlog of migrants in places like Matamoros.
Most people waiting are from Cuba and Central America, but increasingly Juárez has become a destination for migrants from all over the world who are fleeing violence and persecution.
The 16-year-old boy was found unresponsive after a routine welfare check at a facility near the U.S. border with Mexico. He was the fifth migrant child since December to die after being detained.
More than 100 migrants were picked up from a sinking boat in the Mediterranean. When they realized the ship was returning to Libya, officials say, they commandeered it and demanded passage to Europe.
A flood of migrant families and children arriving at the Southern border is straining the U.S. immigration system. Authorities say daily apprehensions are at the highest levels in over a decade.
The case of an 18-year-old refugee in Canada will embolden other Saudi women to follow suit, experts say. Saudi officials have launched a campaign to stop that from happening.
The system is "overwhelmed," says Manuel Padilla, director of Joint Task Force-West. The migrants apprehended at the Southern border in February made for the highest monthly total in almost a decade.
As security has tightened along the U.S.-Mexico border, migrants are forced into more hostile desert areas. Volunteers who put out water and food say they're trying to prevent deaths.
The caravan, which could consist of up to 2,000 migrants, began its journey from Honduras on Monday. The migrants have already become symbols in the ongoing battle over border security.
A Vietnamese laborer tells NPR he was led to believe he would learn construction work but ended up cleaning up the Fukushima nuclear site. Migrant advocates say Japan needs to overhaul the program.