New York City Comptroller and Democratic mayoral candidate Brad Lander was arrested Tuesday by masked ICE agents at federal immigration court in Lower Manhattan. A U.S. Department of Homeland Security spokesperson said Lander was arrested for assaulting law enforcement and impeding a federal officer.

New York City comptroller and Democratic mayoral candidate Brad Lander was handcuffed, detained and led away by masked agents at immigration court on Tuesday.

Lander’s arrest comes one week before New York City’s mayoral primary election is set to be held.