Hillary Clinton's campaign HQ evacuated over suspicious substance
The powdery substance was discovered by interns at a campaign office and taken to an HQ before it was found to be not hazardous.
Saturday 22 October 2016 16:10, UK
Hillary Clinton's campaign headquarters was evacuated after a white powdery substance was discovered in an envelope.
New York Police said four people were exposed to the suspicious substance but no injuries or illnesses were reported.
A campaign spokesman later said officials had established it was not hazardous.
The envelope also contained writing but no death threats, according to authorities.
It was delivered to a Manhattan campaign office and found by two interns before being taken to Mrs Clinton's Brooklyn headquarters.
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The 11th floor of the building was evacuated after the alert and the suspicious substance was tested.
Lieutenant Thomas Antonetti said: "The preliminary investigation determined that it was negative in terms of containing a hazardous substance."
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He added: "We're trying to determine what the substance was.
"For right now, we can at least rule out any poisonous or deadly nature of the substance."
On 8 November, Democrat Mrs Clinton takes on Republican Donald Trump in the US presidential election.
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She currently leads in national polls after her rival's campaign was rocked by a series of sexual misconduct allegations against the billionaire businessman.
He denies the claims made by a number of women in the US.