Caught on video: The moment Hillary Clinton collapses

  • Democratic presidential candidate was abruptly led away from service at around 9:30am on Sunday
  • Video footage shows her appearing to lose her balance on the sidewalk before getting helped into a car
  • The clip shows her knees appearing to buckle on the curb before her aides rush to her side to help
  • Nick Merrill, her traveling press secretary, said Clinton ‚overheated‘ as she was taken to Chelsea’s home
  • Despite the concerning video, she emerged a short time later and said: ‚I’m feeling great‘
  • Temperature was around 80 degrees at Ground Zero during the service
  • The latest incident will raise further questions about her health that have been pushed by opponents
  • Last week she refused to answer questions by about a concussion she suffered in 2012