News, London: Democratic presidential nominee Hillary Clinton fell ill during a memorial service marking the 15th anniversary of the Sept. 11, 2001, terrorist attacks, leaving abruptly and inserting new speculation about her health into a presidential campaign in which Republican Donald Trump has called her weak and unfit.

In the video, Hillary Clinton appeared to stagger and faint in footage which showed her stumbling off and her knees buckled as she got into her van during early exit from a 9/11 commemoration ceremony on Sunday.

Clinton’s campaign issued a statement from her doctor later Sunday revealing that she had been diagnosed with pneumonia two days earlier.

The video, circulated on Twitter, appeared to show Clinton, 68, flanked by several Secret Service agents, leaning against a security bollard while agents prepare to assist her into a black van. As she steps forward, Clinton can be seen falling as agents help lift her into the van.

Lisa R. Bardack, Clinton’s physician, said on Sunday in the statement that, “Secretary Clinton has been experiencing a cough related to allergies.,”  “On Friday, during

She also added, “On Friday, during follow up evaluation of her prolonged cough, she was diagnosed with pneumonia. She was put on antibiotics and advised to rest and modify her schedule. While at this morning’s event, she became overheated and dehydrated.”

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Fortunately for Hillary and those who were concerned about the presidential hopeful, she has already said she’s “feeling great” and Dr. Bardack said the same. “I have just examined her and she is now re-hydrated and recovering nicely,” Lisa added in her statement. Phew!