New York City Comptroller Brad Lander was detained after an incident inside an immigration court in the city, a spokesperson for his mayoral campaign told NBC News Tuesday.

Brad Lander was escorting a defendant out of immigration court in Manhattan when he was "taken by masked agents and detained by ICE," his campaign spokesperson said.

New York City Comptroller and mayoral candidate Brad Lander was released from federal custody Tuesday afternoon, hours after he was arrested by officers at immigration court in Manhattan after he tried to escort a migrant whom officers were attempting to arrest.