Open this photo in gallery: Protesters supporting Mahmoud Khalil march in Manhattan in April. He remains in custody until at least Friday morning as the Trump administration tries to deport him.Caitlin Ochs/Reuters A federal judge has ruled that the government must release Mahmoud Khalil, the former Columbia University graduate student whom the Trump administration is trying to deport over his participation in pro-Palestinian demonstrations. But Khalil, a legal U.S. resident, will remain in custody until at least Friday morning while the government decides whether to appeal, U.S. District Judge Michael Farbiarz said Wednesday. He was detained by federal immigration agents...