New York, February 13: Donald Trump's daughter-in-law, Vanessa Trump, was taken to a hospital after receiving a letter containing white powder that was later deemed to be non-hazardous. According to Fox News, Trump Jr.'s wife opened the letter addressed to Donald Trump Jr. at the couple's Manhattan apartment on Monday.

It is unclear as to what the white powder was, but authorities have tested the substance and found it to be non-hazardous. Vanessa Trump was taken to the hospital as a precaution, the New York city police said. Two other people who were exposed to the powder were also taken to the hospital.

Police and Secret Service are investigating the incident. "The Secret Service and our law enforcement partners in New York City are investigating a suspicious package addressed to one of our protectees received today in New York, New York. This is an active investigation and we cannot comment any further," Fox News quoted U.S. Secret Service as saying.