The FBI is investigating five letters containing white powder sent to 26 Federal Plaza, sparking an evacuation and urgent testing at its Quantico lab.

The FBI is probing five letters containing white powder found in the ICE Enforcement and Removal Operations mailroom at 26 Federal Plaza in Lower Manhattan. The discovery prompted evacuations ...

Initial testing of the white powder found in envelopes in a mailroom at a federal building in lower Manhattan reveals a substance similar to boric acid, according to a senior official familiar ...

A series of threatening letters containing a mysterious white powder is raising concerns that Republican lawmakers in Kansas are being targeted.

LOWER MANHATTAN, N.Y. (PIX11) — The Federal Bureau of Investigation announced Thursday night it is investigating five envelopes containing an unknown white powder found at a federal building … ...

Suspicious white powder that forced the ICE field office in New York City to evacuate is not hazardous, the FBI said Friday.