The FBI's New York joint terrorism task force is investigating an incident in Lower Manhattan where a suspect allegedly deployed an incendiary device outside 26 Federal Plaza. Law enforcement officers detained an individual at the scene, which is adjacent to a U.S. Citizenship and Immigration Services office and a New York immigration court.

Sources have identified the suspect as Andrew Arrabaca. According to law enforcement sources, Arrabaca was found with materials described as "anti-ICE stuff" at the time of his apprehension.

The building at 26 Federal Plaza houses a U.S. Citizenship and Immigration Services office. The incident remains under investigation.