Accounts from lawyers who visited the facility near El Paso this month offered a look at the squalid conditions and a system that has largely been hidden from public view. Federal officials say the number of migrants on the border with Mexico has escalated beyond what they can safely handle.

Related: A House vote is scheduled for today on a $4.5 billion package of emergency humanitarian aid for the southwestern border. Some Democrats are opposed to the measure, fearing that the money will be used to carry out the immigration crackdown.

Another angle: As part of a deal with the U.S., Mexico has mobilized security forces at its historically porous border with Guatemala. The deployment has disrupted the flow of goods and people.

Iran disparages U.S. over sanctions

President Hassan Rouhani today called the White House “mentally retarded,” dismissing the Trump administration’s latest round of economic sanctions as pointless and declaring that Iran would not be intimidated.