Mr. Khalil, who helped lead protests at Columbia University against civilian casualties in Gaza, was arrested by immigration officers and sent to a detention center in Louisiana.

Palestinian activist and former Columbia University grad student Mahmoud Khalil, who played a significant role in the Gaza protests at Columbia last year, was arrested by federal immigration authorities.

An ICE detention facility in Louisiana made national headlines this week after a Columbia University graduate was arrested and taken there by federal immigration officials. Here's a closer look at Louisiana's ICE facilities.

A U.S. judge on Wednesday extended his order blocking federal authorities from deporting a detained Columbia University student Mahmoud Khalil.

NEW YORK (AP) — When protests over the Israel-Hamas war took root on Columbia University's campus last spring, Mahmoud Khalil became a familiar, outspoken figure in a student movement that soon spread to other U.S. colleges.

Mahmoud Khalil is a green card holder who played a role in pro-Palestinian protests at Columbia University and is now facing deportation by the Trump Administration. NBC News' Tom Llamas spoke to one of his attorneys,

The Trump administration’s apparent attempt to deport pro-Palestinian activist Mahmoud Khalil could be one of the most important free speech cases in recent American history. If only we knew precisely what it was about.

A federal judge blocked the deportation of legal resident Mahmoud Khalil, who was arrested and detained by ICE on Saturday. Amy Greer, an attorney representing the Palestinian student, joins Chris Hayes.

Federal immigration authorities arrested Khalil on Saturday night at his university-owned apartment. FOX 5 NY's Briella Tomasetti has the latest.