New York City Comptroller and Democratic mayoral candidate Brad Lander was arrested Tuesday by masked U.S. Immigration and Customs Enforcement agents inside federal immigration court in Lower Manhattan.

Brad Lander received widespread support after his arrest on Tuesday, but it’s unclear how it will affect his third-place campaign for mayor of New York City.

New York City Comptroller and mayoral candidate Brad Lander was arrested Tuesday by authorities at immigration court in Manhattan. A representative for Lander, a Democrat, said Immigration and Customs Enforcement agents detained him while he was escorting a person who had attended a hearing out of the building.