The University of Pennsylvania said three international students studying in the U.S. on school-sponsored visas had their immigration status terminated by the Department of Homeland Security. In a ...

Schools including Columbia University, Harvard University and University of California, San Diego, said they weren’t told the visas were being revoked or even given a reason why.

Colleges in the commonwealth report that more than a dozen student visas were revoked in the last week without an explanation. ... the University of Pittsburgh, Temple University, ...