Nearly 100 people were arrested after protesters gathered at Trump Tower in Manhattan Thursday to denounce the arrest of Mahmoud Khalil, a Palestinian activist detained by ICE over his involvement with pro-Palestinian demonstrations at Columbia University.

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.

A sit-in at New York City's Trump Tower is underway as protesters gathered to demand the release of Mahmoud Khalil, a Palestinian activist detained over the weekend by federal immigration agents.