In the lawsuit filed early Friday in federal court in Boston, the Ivy League school called out the government’s ban as a violation of the Constitution and warned that it would have an “immediate and devastating effect for Harvard and more than 7,000 visa holders.”

Harvard and the federal government are locked in a battle that boils down to turning over records on international students. But Harvard says it is also about the First Amendment.

"It would be devastating," a former president of Harvard — and frequent critic of the university — said of the government's attempt to prevent Harvard from enrolling foreign students.

Harvard University is suing the Trump administration after it blocked the college’s ability to enroll new international students. In the latest development in the feud between Harvard and the federal government,

Investigators have seized writings that they believe belong to the suspect as they search for a motive in the fatal attack.