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NEW YORK — Vanessa Trump, the daughter-in-law of President Donald Trump, and two other people were taken to a New York hospital on Monday after she opened a piece of mail containing an unidentified white powder that was later determined to be non-hazardous, officials said.
Vanessa Trump, the wife of the president's eldest son, Donald Jr., was hospitalized after she complained of nausea following her exposure, New York officials said.
"The substance had arrived by mail and it was addressed to Donald Trump Jr.," said New York Police Department spokesman Carlos Nieves.
Three patients from the household were transported to the NewYork-Presbyterian/Weill Cornell Medical Center for further evaluation, said fire department spokeswoman Sophia Kim.
The three included Vanessa Trump's mother, although she had not complained of symptoms, the police spokesman said.
The package had a Boston postmark, ABC News and the New York Post reported, citing unnamed law enforcement sources. NYPD officials declined to comment on that detail.
U.S. authorities have been on alert for mail containing white powder since 2001, when envelopes laced with anthrax were sent to media outlets and U.S. lawmakers, killing five people.
President Trump spoke with his daughter-in-law on Monday afternoon, White House spokeswoman Sarah Sanders said, declining further comment on the investigation.
The Secret Service, which is charged with protecting members of the president's family, has joined the investigation, said spokesman Jeffrey Adams.
The apartment building where the incident occurred is in Manhattan's Sutton Place neighborhood close to the East River. The apartment may be the home of Vanessa Trump's mother, local news outlets reported.
In 2016, white powder, which also proved harmless, was sent to the home of Eric Trump, Trump Jr.'s brother.