The school didn't release the student’s name and said it didn't have more information. It called the situation “deeply concerning.”

"We have any number of students studying here with visas, and we need answers," Minnesota Governor Tim Walz said.

Local, state and national leaders are demanding answers from immigration enforcement after the detention of yet another university student.

When it seemed government agents wouldn’t stop pursuing her, Ranjani Srinivasan fled. But this Columbia University student still doesn’t know why she was targeted.

Protests against Columbia University are breaking out after the school agreed to the Trump administration's demands to change its policies to restore federal funding. NBC News' Maya Eaglin reports on reactions from students and alumni from the School of International and Public Affairs.

Board of Trustees Co-Chair Claire Shipman was appointed acting president with immediate effect, while the board searches for a new president.

Among the new changes, Columbia agreed to review its admissions policies, ban protesters from wearing masks, bar demonstrations from academic buildings and to put its Middle East studies department under the supervision of a new senior provost with a mandate to review its leadership and curriculum.

Columbia University has appointed Claire Shipman, a co-chair of its board of trustees, as acting president of the institution targeted by the Trump administration with major federal funding cuts. Why it matters: President Trump's administration pulled some $400 million in federal grants and contracts from the school over allegations of antisemitism during pro-Palestinian protests on the campus.

The resignation comes after Columbia caved in to demands from Trump, who claims the school failed to fight antisemitism.