The Trump administration revoked Harvard University’s ability to enroll international students in its escalating battle with the Ivy League school, saying thousands of current students must transfer ...

“Harvard can no longer enroll foreign students and existing foreign students must transfer or lose their legal status,” the US Department of Homeland Security said in a statement.

The end of international enrollment would transform a university where 6,800 students, more than a quarter of the total, come from other countries, a number that has grown steadily in recent decades....