Hillary Clinton has cancelled her campaign trips for the next two days after she was diagnosed with pneumonia.

The Democratic US Presidential candidate was seen stumbling at a 9/11 memorial ceremony yesterday, and being helped by officials.

Video shows Hillary Clinton appearing to faint before getting into her van Sunday; Video courtesy Zdenek Gazda pic.twitter.com/0ZA6HHhUPx

— Eyewitness News (@ABC7NY) September 11, 2016

Mrs Clinton's doctor has released a statement saying she's now "recovering nicely".

These voters in New York are concerned about the implications on the race to the White House: