NEW YORK — Mahmoud Khalil will remain detained in Louisiana until at least next week after an initial court hearing in New York on Wednesday over the Trump administration's plans to deport the Columbia University graduate student for his role in campus protests against Israel.
The brief hearing, which focused on thorny jurisdictional issues, drew hundreds of demonstrators to the federal courthouse in lower Manhattan to denounce the Saturday arrest of Khalil, a permanent U.S. resident who is married to an American citizen.
Khalil, 30, didn't attend — after initially being held in New Jersey, he was moved to an immigration detention center in Louisiana.
After Khalil's Manhattan arrest, Judge Jesse M. Furman ordered that he not be deported while the court considers a legal challenge brought by his lawyers, who want Khalil returned to New York and released under supervision.
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Demonstrators gather Wednesday in Foley Square, outside the Manhattan federal court, in New York to support Mahmoud Khalil.
During Wednesday's hearing, attorney Brandon Waterman argued on behalf of the Justice Department that the venue for the deportation fight should be moved from New York City to Louisiana or New Jersey because those are the locations where Khalil was held.
One of Khalil's lawyers, Ramzi Kassem, told the judge that Khalil was "identified, targeted and detained" because of his advocacy for Palestinian rights and his protected speech. He said Khalil has no criminal convictions, but "for some reason, is being detained."
Kassem also told Furman that Khalil's legal team hasn't been able to have a single attorney-client-protected phone call with him.
Furman ordered that the lawyers be allowed to speak with him by phone at least once Wednesday and Thursday. Calling the legal issues "important and weighty," the judge also directed the two sides to submit a joint letter Friday describing when they propose to submit written arguments over the legal issues raised by Khalil's detention.

A young orthodox jewish boy waves a Palestinian flag outside the Manhattan federal court Wednesday prior to the deportation case of Mahmoud Khalil in New York.
Kassem said Khalil's lawyers would update their lawsuit on Thursday.
Khalil's arrest sparked protests in New York and other U.S. cities. Actor Susan Sarandon emerged from the courthouse and told reporters that "no matter where you stand on genocide, freedom of speech … is a right that we all have."
"And this is a turning point in the history and the freedom of this country," she added.
Some of Khalil's supporters, many of them wearing a keffiyeh and mask, attended the hearing. Hundreds more demonstrated outside the courthouse, beating drums, waving Palestinian flags and chanting for Khalil's release. The raucous crowd grew quiet, though, to hear Kassem speak.
"As we tried to make clear in court today, what happened to Mahmoud Khalil is nothing short of extraordinary and shocking and outrageous," Kassem told the crowd. "It should outrage anybody who believes that speech should be free in the United States of America."
Kassem said the legal grounds cited by the government to detain Khalil were "vague" and "rarely used," masking the true intent: "retaliation and punishment for the exercise of free speech."

Ramzi Kassem, Professor of Law and Founding Director of CLEAR at the City University of New York, speaks to the media Wednesday after attending a hearing in Manhattan federal court addressing the deportation case of Mahmoud Khalil in New York.
Columbia became the center of a U.S. pro-Palestinian protest movement that swept across college campuses nationwide last year and led to more than 2,000 arrests.
Khalil, whose wife is pregnant with their first child, finished his requirements for a Columbia master's degree in December. Born in Syria, he is a grandson of Palestinians who were forced to leave their homeland, his lawyers said in a legal filing.
President Donald Trump heralded Khalil's arrest as the first "of many to come," vowing on social media to deport students he described as engaging in "pro-terrorist, anti-Semitic, anti-American activity."
During a stopover in Ireland while headed from Saudi Arabia to a meeting of the G7 foreign ministers in Canada, Secretary of State Marco Rubio told reporters that Khalil's case is "not about free speech."
"This is about people that don't have a right to be in the United States to begin with. No one has a right to a student visa. No one has a right to a green card," Rubio said.
Khalil, who acted as a spokesperson for Columbia protesters, hasn't been charged with a crime. White House press secretary Karoline Leavitt said Tuesday the administration moved to deport him under a section of the Immigration and Nationality Act that gives the secretary of state the power to deport a noncitizen on foreign policy grounds.
Civil rights groups and Khalil's attorneys say the government is unconstitutionally using its immigration control powers to stop him from speaking out.
U.S. Jewish groups and leaders and organizations have been divided in their response to Khalili's detention.

A crowd gathers Wednesday outside the Manhattan federal court in support of Mahmoud Khalil in New York.
Among those welcoming the move was the Anti-Defamation League, which said it hopes it serves as a "deterrent."
"We appreciate the Trump Administration's broad, bold set of efforts to counter campus antisemitism — and this action further illustrates that resolve by holding alleged perpetrators responsible for their actions," the ADL said on social media.
Amy Spitalnick, CEO of Jewish Council for Public Affairs, decried Khalil's detention.
The Trump administration "is exploiting real concerns about antisemitism to undercut democracy: from gutting education funding to deporting students to attacking diversity, equity, & inclusion," she wrote on Bluesky. "As we've repeatedly said: this makes Jews — & so many others — less safe."
Gaza war protests ignite on US college campuses

A University of Southern California protester is detained by USC Department of Public Safety officers during a pro-Palestinian occupation at the campus' Alumni Park on Wednesday, April 24, 2024 in Los Angeles. (AP Photo/Richard Vogel)

Demonstrators chant at a pro-Palestinian protest at the University of Texas, Wednesday, April 24, 2024, in Austin, Texas. (Mikala Compton/Austin American-Statesman via AP)

Texas state troopers in riot gear try to break up a pro-Palestinian protest at the University of Texas, Wednesday, April 24, 2024, in Austin, Texas. (Jay Janner/Austin American-Statesman via AP)

A row of Palestinian flags are seen on the fence at the pro-Palestinians demonstration encampment at Columbia University in New York on Wednesday April 24, 2024. (AP Photo/Stefan Jeremiah)

State troopers try to break up a pro-Palestinian protest at the University of Texas Wednesday April 24, 2024, in Austin, Texas. Student protests over the Israel-Hamas war have popped up on an increasing number of college campuses following last week's arrest of more than 100 demonstrators at Columbia University. (Jay Janner/Austin American-Statesman via AP)

A demonstrator is restrained by police at a pro-Palestinian protest at the University of Texas, Wednesday, April 24, 2024, in Austin, Texas. (Ricardo B. Brazziell/Austin American-Statesman via AP)

State troopers on horses push back protesters during a pro-Palestinian protest at the University of Texas, Wednesday April 24, 2024, in Austin, Texas. (Mikala Compton/Austin American-Statesman via AP)

A Georgia State Patrol officer detains a protester on the campus of Emory University during a pro-Palestinian demonstration Thursday, April 25, 2024, in Atlanta. (AP Photo/Mike Stewart)

Georgia State Patrol officers detain a protester on the campus of Emory University during an pro-Palestinian demonstration Thursday, April 25, 2024, in Atlanta. (AP Photo/Mike Stewart)

Authorities detain a protester on the campus of Emory University during a pro-Palestinian demonstration, Thursday, April 25, 2024, in Atlanta. (AP Photo/Mike Stewart)

Protesters are cuffed after being detained on the campus of Emory University during a pro-Palestinian demonstration Thursday, April 25, 2024, in Atlanta. (AP Photo/Mike Stewart)

A police officer detains a protester on the campus of Emory Univeristy during an pro-Palestinian demonstration, Thursday, April 25, 2024, in Atlanta. (AP Photo/Mike Stewart)

Student protestors erected approximately 20 tents on Parrish Beach by Clothier Hall at Swarthmore College in Swarthmore, Pa. on Tuesday, April 23, 2024. (Monica Herndon/The Philadelphia Inquirer via AP)

A University of Southern California protester is detained by USC Department of Public Safety officers during a pro-Palestinian occupation at the campus' Alumni Park on Wednesday, April 24, 2024 in Los Angeles. (AP Photo/Richard Vogel)

A University of Southern California protester is detained by USC Department of Public Safety officers during a pro-Palestinian occupation at the campus' Alumni Park on Wednesday, April 24, 2024, in Los Angeles. (AP Photo/Richard Vogel)

University of Southern California protesters fight with University Public Safety officers as they try to remove tents at the campus' Alumni Park during a pro-Palestinian occupation on Wednesday, April 24, 2024 in Los Angeles. (AP Photo/Richard Vogel)

University of Southern California protesters carry a tent around Alumni Park on the University of Southern California to keep security from removing it during a pro-Palestinian occupation on Wednesday, April 24, 2024, in Los Angeles. (AP Photo/Richard Vogel)

University of Southern California protesters carry a tents around Alumni Park on the University of Southern California to keep security from removing them during a pro-Palestinian occupation on Wednesday, April 24, 2024 in Los Angeles. (AP Photo/Richard Vogel)

University of Southern California protesters carry a tents around Alumni Park on the campus of the University of Southern California to keep security from removing them during a pro-Palestinian occupation on Wednesday, April 24, 2024 in Los Angeles. (AP Photo/Richard Vogel)

A University of Southern California protester, right, confronts a University Public Safety officer at the campus' Alumni Park during a pro-Palestinian occupation on Wednesday, April 24, 2024, in Los Angeles. (AP Photo/Richard Vogel)

University of Southern California protesters push and shove University Public Safety officers as tempers get heated during a pro-Palestinian occupation on the University of Southern California campus Wednesday, April 24, 2024 in Los Angeles. (AP Photo/Richard Vogel)

A woman is arrested at a pro-Palestinan protest at the University of Texas, Wednesday, April 24, 2024, in Austin, Texas. (Jay Janner/Austin American-Statesman via AP)

Texas state troopers in riot gear try to break up a pro-Palestinian protest at the University of Texas, Wednesday, April 24, 2024, in Austin, Texas. (Jay Janner/Austin American-Statesman via AP)

Signs are displayed on tents at the pro-Palestinian demonstration encampment at Columbia University in New York on Wednesday April 24, 2024. (AP Photo/Stefan Jeremiah)

People sit outside tents at the pro-Palestinian demonstration encampment at Columbia University in New York on Wednesday April 24, 2024. (AP Photo/Stefan Jeremiah)

A Palestinian flag is displayed at the pro-Palestinian demonstration encampment at Columbia University in New York on Wednesday April 24, 2024. (AP Photo/Stefan Jeremiah)

State troopers try to break up a pro-Palestinian protest at the University of Texas, Wednesday, April 24, 2024, in Austin. (Jay Janner/Austin American-Statesman via AP)

Pro-Palestinian protesters face off with mounted state troopers at the University of Texas, Wednesday, April 24, 2024, in Austin. (Jay Janner/Austin American-Statesman via AP)

Students participate in a pro-Palestinian protest at the University of Texas, Wednesday, April 24, 2024, in Austin. (Jay Janner/Austin American-Statesman via AP)

A pro-Palestinian protester walks past pro-Israel protesters at the University of Texas Wednesday April 24, 2024, in Austin. (Jay Janner/Austin American-Statesman via AP)

A woman raises a fist during a pro-Palestinian protest at the University of Texas, Wednesday, April 24, 2024, in Austin. (Jay Janner/Austin American-Statesman via AP)

A woman is arrested at a pro-Palestinian protest at the University of Texas, Wednesday, April 24, 2024, in Austin. (Jay Janner/Austin American-Statesman via AP)

Tents erected at the pro-Palestinian demonstration encampment at Columbia University in New York, on Wednesday, April 24, 2024. (AP Photo/Stefan Jeremiah)

University of Texas police officers arrest a man at a pro-Palestinian protest on campus, Wednesday April 24, 2024, in Austin, Texas. (Jay Janner/Austin American-Statesman via AP)

A makeshift camp supporting the Palestinians cause is staged on the UCLA campus, Thursday, April 25, 2024, in Los Angeles. (AP Photo/Jae C. Hong)

University of Southern California protester raises an anti war sign in Alumni Park on the campus of the University of Southern California during a pro-Palestinian occupation on Wednesday, April 24, 2024 in Los Angeles. (AP Photo/Richard Vogel)

Student protesters hold up sheets as others pray at the pro-Palestinian demonstration encampment at Columbia University in New York on Wednesday April 24, 2024. (AP Photo/Stefan Jeremiah)

A pro-Palestinian protester faces off with state troopers at the University of Texas Wednesday April 24, 2024, in Austin. (Jay Janner/Austin American-Statesman via AP)

Cally, a former UT student, faces off with a mounted state trooper at a pro-Palestinian protest at the University of Texas, Wednesday, April 24, 2024, in Austin. (Jay Janner/Austin American-Statesman via AP)

A woman is arrested at a pro-Palestinian protest at the University of Texas, Wednesday April 24, 2024, in Austin. (Jay Janner/Austin American-Statesman via AP)

New York police officers move towards an entrance to Columbia University, Tuesday, April 30, 2024, in New York. After entering the campus, a contingent of police officers approached Hamilton Hall, the administration building that student protesters began occupying in the morning. (AP Photo/Julius Motal)

Members of the New York Police Department strategic response team move towards an entrance to Columbia University, Tuesday, April 30, 2024, in New York. After entering the campus, a contingent of police officers approached Hamilton Hall, the administration building that student protesters began occupying in the morning. (AP Photo/Julius Motal)

Members of the New York Police Department strategic response team move towards an entrance to Columbia University, Tuesday, April 30, 2024, in New York. After entering the campus, a contingent of police officers approached Hamilton Hall, the administration building that student protesters began occupying in the morning. (AP Photo/Julius Motal)

Students watch from their residence hall windows as members of the New York Police Department strategic response team move towards an entrance to Columbia University, Tuesday, April 30, 2024, in New York. After entering the campus, a contingent of police officers approached Hamilton Hall, the administration building that student protesters began occupying in the morning. (AP Photo/Julius Motal)

Students with the Gaza Solidarity Encampment block the entrance of Hamilton Hall at Columbia University after taking over it on Tuesday, April 30, 2024 in New York. Columbia Students for Justice in Palestine called for mobilization close to midnight. Students have been occupying part of campus since April 17, calling for the university to divest from institutions that have ties to Israel. (Marco Postigo Storel via AP)

Members of the New York Police Department strategic response team escort protesters from Columbia University, Tuesday, April 30, 2024, in New York. After entering the campus, a contingent of police officers approached Hamilton Hall, the administration building that student protesters began occupying in the morning. (AP Photo/Julius Motal)

Members of the New York Police Department strategic response team load arrested protesters from Columbia University onto a bus, Tuesday, April 30, 2024, in New York. After entering the campus, a contingent of police officers approached Hamilton Hall, the administration building that student protesters began occupying in the morning. (AP Photo/Julius Motal)

Members of the New York Police Department strategic response team load arrested protesters from Columbia University onto a bus, Tuesday, April 30, 2024, in New York. After entering the campus, a contingent of police officers approached Hamilton Hall, the administration building that student protesters began occupying in the morning. (AP Photo/Julius Motal)

A police bus loaded with protesters arrested at Columbia University departs an entrance to the campus on 114th Street, Tuesday, April 30, 2024, in New York. After entering the campus, a contingent of police officers approached Hamilton Hall, the administration building that student protesters began occupying in the morning. (AP Photo/Julius Motal)