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

New York City Comptroller and mayoral candidate Brad Lander was arrested at an immigration court on Tuesday, the latest U.S. politician to be swept up in President Donald Trump's immigration raids.

A spokeswoman for the Department of Homeland Security said that Mr. Lander, who was held for several hours and then released, had assaulted and impeded a law enforcement officer, though federal prose...