(NEW YORK) — A suspicious white powder was discovered at Trump Tower in Manhattan Thursday night, prompting the New York Fire Department, the New York Police Department and EMS workers to investigate — but the powder was deemed not hazardous, according to the NYPD.
Samples were taken, however, from the scene for further testing.
According to the NYFD, the first responders were called to the Fifth Avenue hi-rise around 8:15 p.m.
The suspicious white powder was discovered on the 5th floor, according to the NYFD.
ABC-owned WABC in New York reported that the powder was found in the mailroom, in an envelope with a letter addressed to GOP presidential front-runner Donald Trump.
The letter was opened by one of Trump’s staffers, according to WABC.
Three people were isolated and evaluated.
A Trump campaign source tells ABC News the 5th floor offices were evacuated, but most of the staff had left for the day.
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