A federal immigration judge in Louisiana ruled Friday that Columbia University graduate student Mahmoud Khalil 's deportation case can move forward, a major blow to the activist who has been in detention for weeks without charges.

An immigration judge ruled Friday that Columbia University activist Mahmoud Khalil can be deported on grounds that he threatens foreign policy, as alleged by the Trump administration. The stunning move may have repercussions on hundreds of other international students who have been targeted by the administration.