Despite only being in effect for a single day, President Donald Trump’s proclamation barring Harvard's international students from entering the U.S. has had a serious, lasting negative impact, the university says.

A Friday court filing by Harvard International Office director of immigration services Maureen Martin documented how Harvard affiliates — including an Israeli professor, a CEO, and students and researchers from India,

Kseniia Petrova, 31, was detained at Logan International Airport on Feb. 16 for failing to dclare frog embryos that she was carrying in her luggage.