The president promised to “marshal all federal resources” to fight “the explosion of antisemitism on our campuses and streets” since Oct. 7, 2023 when Hamas attacked Israel.

President Donald Trump has signed an executive order promising “immediate action” from federal law enforcement against noncitizen college students and others in the United States who participated in pro-Palestinian demonstrations during Israel’s war in Gaza.

Civil rights groups and legal scholars said the new measure would violate constitutional free speech rights and would likely draw legal challenges.