New York City Comptroller and mayoral candidate Brad Lander was taken into custody by federal agents at an immigration court ...

Lander had spent the morning observing immigration court hearings and told an AP reporter that he was there to "accompany" ...

Video shows federal agents arresting Lander after he held on to a man that authorities were seemingly trying to detain.

The arrest came in the comptroller and mayoral candidate's latest visit to the courthouse to speak with migrants there.