A possible hazmat incident at 26 Federal Plaza prompted evacuations and a large emergency response in Lower Manhattan on Thursday afternoon after envelopes containing white powder were discovered inside the building, according to city officials.

The FDNY said it received a call about the incident around 3:55 p.m. and reported that the substance was found on the ninth floor. The building, a federal office complex, was evacuated and hazmat teams were assigned to the scene.

No injuries or illnesses have been reported.

Mayor Eric Adams posted on X that the envelopes containing the powder were discovered earlier in the day.

“I want to also reassure you that there are no known injuries at this time,” he said.

Adams said the city is awaiting test results from federal partners and FDNY hazm

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