Video shows smoke billowing from the ground outside the 41-story federal office complex by Worth and Lafayette streets.

NEW YORK, July 20 (Reuters) - A man was taken into custody on Monday after an incendiary device was set off at a building that houses FBI headquarters and an Immigration and Customs Enforcement office in lower Manhattan.

An armed maniac lit an “incendiary device” outside a federal government building in lower Manhattan early Monday in an attack being investigated by the terrorism task force, according to officials and sources.

The FBI says an incendiary device was deployed outside a New York federal building and a person has been taken into custody