Fear on Columbia campus as Trump admin arrests student for deportation over Gaza protests - Mahmoud Khalil, a permanent legal resident, was detained at his university-owned residence on Saturday eveni

President Donald Trump reacted on Monday afternoon to the arrest of Mahmoud Khalil, a Palestinian who recently completed his graduate studies at Columbia University and played a leading role in campus protests last year.

The Trump administration says it’s pulling $400 million from Columbia University. Multiple federal agencies announced Friday that they're canceling grants and contracts because of what the government describes as the Ivy League school’s lackluster efforts to squelch antisemitism on campus.

Columbia University's interim president said the school is working to address the "legitimate concerns" of U.S. President Donald Trump's administration after $400 million of federal government grants and contracts to the university were canceled over allegations of antisemitism on campus.

The administration has alleged the school failed to combat campus anti-Semitism amid Israel-Gaza protests.

Democratic Senator John Fetterman on Friday threw his support behind President Donald Trump's decision to pull $400 million in federal funding from Columbia University over what the Trump administration characterized as a failure to crack down on antisemitism on campus.

President Donald Trump spoke with reporters on Air Force One, where he defended tariffs, saying they will be the "greatest thing we've ever done as a country."