A judge says the Trump administration can detain Columbia activist Mahmoud Khalil for allegedly lying on his green card application — after ruling he can't be jailed for foreign policy reasons.

Palestinian activist Mahmoud Khalil has been released from a Louisiana ICE detention center more than three months after he was arrested outside his apartment on Columbia University’s campus.

A federal judge says the Trump administration can continue to detain Columbia University protester Mahmoud Khalil on allegations that he lied on his green card application.