The Trump administration on Thursday revoked Harvard University’s ability to enroll international students, marking a sharp escalation in the battle over the Ivy League school’s autonomy in the face of the administration’s policy demands.

The move was a major escalation in the administration’s efforts to pressure the college to fall in line with President Trump’s demands.

Harvard University can no longer enroll foreign students, the Department of Homeland Security said Thursday, escalating the Trump administration's efforts to exert influence over the Ivy League school.