As an activist who led pro-Palestinian protests at Columbia University remains in an immigration center in Louisiana, college students across the country are protesting, believing the federal government is violating his First Amendment rights.

Columbia University announced punishments, including expulsions and suspensions, for students who occupied Hamilton Hall in a pro-Palestinian protest last year.

Columbia University on Thursday said it had doled out a range of punishments to students who occupied a campus building last spring during pro-Palestinian protests. The announcement came a week after