Trump administration says it is halting Harvard’s ability to enroll international students

The Trump administration on Thursday halted Harvard University’s ability to enroll international students, taking aim at a crucial funding source for the nation’s oldest and wealthiest college in a major escalation of the administration’s efforts to pressure the elite school to fall in line with the president’s agenda.

The administration notified Harvard about the decision — which could affect about a quarter of the school’s student body — after a back-and-forth in recent weeks over the legality of a records request as part of a Department of Homeland Security investigation, according to three people with knowledge of the negotiations. The people spoke on the condition of anonymity because they were not authorized to discuss the matter publicly.

The latest move is likely to prompt a seco