A suspicious powder delivered in the mail to Metrotech Center -- the complex that houses FDNY headquarters in Brooklyn -- does not appear to pose an immediate hazard, a fire department spokesman said Monday.

Police responded to the incident, reported at 9:06 a.m., the spokesman said.

The spokesman said the powder came in the mail and that a hazmat team determined it was not an "immediate threat" to anyone who might have come in contact with it.

advertisement | advertise on newsday

The FDNY said the investigation is continuing and that additional details were not available.

With John Valenti