The former Columbia student and pro-Palestinian activist remains in detention despite a federal judge’s partial ruling in his favor.

The Trump administration's bid to deport Columbia University student and pro-Palestinian activist Mahmoud Khalil is likely unconstitutional, a U.S. judge said on Wednesday, finding that the little-used provision of immigration law invoked by the government was too vague.

The Trump administration's attempt to deport Columbia graduate Mahmoud Khalil is likely unconstitutional, says federal judge.