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.

Khalil has been detained since he was arrested in March. The government has argued that the secretary of state can “personally determine” whether he should remain in the country.

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.