A Louisiana immigration judge has ruled that the U.S. can deport Mahmoud Khalil based on the federal government’s argument that he poses a national security risk. His lawyers are expected to appeal, and a federal judge in New Jersey has temporarily barred Khalil’s removal from the country.

In the memo, which was obtained by CBS News, Secretary of State Marco Rubio wrote that Mahmoud Khalil's role in Columbia's protests is in conflict with American foreign policy objectives​.

Khalil, 30, was the first international student arrested in recent weeks amid an unprecedented crackdown by federal immigration authorities.

A Louisiana immigration judge has ruled that the U.S. can deport Columbia University graduate student Mahmoud Khalil based on the federal government’s argument that he poses a national security risk

Khalil's attorneys say the government's case against their client largely rests on a memo from Secretary of State Marco Rubio alleging Khalil participated in "antisemitic" and "disruptive activities."

The U.S. government has submitted a two-page memo from Secretary of State Marco Rubio as its main evidence in its deportation case against Columbia University activist Mahmoud Khalil. The memo obtained by The Associated Press does not allege criminal conduct by Khalil but cites a legal provision that gives the government authority to deport people whose presence in the U.