Judge blocks deportation of Columbia grad student, Palestinian activist Mohsen Mahdawi

An immigration judge has blocked the Trump administration from deporting Columbia University graduate student Mohsen Mahdawi, a pro-Palestinian activist detained last year at his U.S. citizenship test, his attorneys wrote in court documents filed Tuesday.

Mahdawi, a lawful permanent resident, was arrested last April after his naturalization interview in Vermont and held in detention for more than two weeks. He was released on bail after filing a habeas petition in federal court that accused...