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.
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."
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.
She currently leads in national polls after her rival's campaign was rocked by against the billionaire businessman.
He denies the claims made by a number of women in the US.