Dozens of people marched from Times Square to Columbus Circle on Saturday, calling for the release of Palestinian activist Mahmoud Khalil, a Columbia University graduate student and green card holder.

Police have arrested dozens of demonstrators from a Jewish group who filled the lobby of Trump Tower to denounce the immigration arrest of Mahmoud Khalil, a pro-Palestinian activist who helped lead protests against Israel at Columbia University.

The demonstrators were demanding the release of Mahmoud Khalil, the Palestinian Columbia University student held by US immigration authorities over his involvement in the pro-Palestinian protests at t