Students marched from Washington Square Tuesday to protest the arrest of Mahmoud Khalil​, a pro-Palestinian activist at Columbia University. Some arrests were made at City Hall.

White House Press Secretary Karoline Leavitt alleged that Khalil had played a role in organizing demonstrations at which fliers were handed out bearing a logo for Hamas, which she did not display.

The White House complained that Columbia University is refusing to help federal agents find people being sought as part of the government’s effort to deport participants in pro-Palestinian demonstrati