A suspicious white powder that forced the Immigration and Customs Enforcement field office in NYC to evacuate was non-hazardous, police sources say.

The white powder is currently being tested by the fire department's Hazmat team and an investigation into the powder is ongoing. No injuries have been reported.

Federal authorities are investigating after envelopes containing an unidentified white powder were found at a government building in New York City that houses an Immigration and Customs Enforcement office, officials said Thursday.