Some protesters held signs that read "Fight Nazis not students," "Free Mahmoud free Palestine" and "You can’t deport a movement."

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.

By Jasper Ward (Reuters) -Scores of people poured into the lobby of Trump Tower in New York City on Thursday to protest the arrest and detention of Columbia University student Mahmoud Khalil, whom the Trump administration aims to deport over his pro-Palestinian activism.