Thousands of immigrant children who have entered the U.S. illegally are being held in crowded, foul-smelling holding cells in South Texas until they're transferred to shelters.
Customs and Border Protection officials offered a tour Wednesday of an overcrowded Border Patrol station in Brownsville.
Most of the immigrants being held there are teenagers and children.
They are held in concrete cells and sleep on the floor.
President Barack Obama has called the more than 47,000 unaccompanied children who have come this budget year an "urgent humanitarian situation."