UPDATE (6:11 p.m. PT): Joan Rivers was placed in a medically induced coma on Thursday, a source close to the comedian tells The Insider With Yahoo. Rivers went into cardiac arrest after she stopped breathing while undergoing a routine endoscopy.
Her daughter, Melissa, issued the following statement: "I want to thank everyone for the overwhelming love and support for my mother. She is resting comfortably and is with our family. We ask that you continue to keep her in your thoughts and prayers."
Joan Rivers is in stable but critical condition in a New York hospital Thursday, hours after suffering cardiac arrest during routine throat surgery.
The 81-year-old barb-slinging comic and red carpet fixture was undergoing a minor medical procedure at a local clinic, Yorkville Endoscopy, Yahoo has confirmed.
"They were putting a scope down her throat to check her vocal cords," a source close to the comic told E!, which is home to the Rivers-hosted Fashion Police. "She stopped breathing.
"This was not major surgery," the source said, adding that Rivers was sedated at the time.
New York police confirmed that a 911 call came in around 9:40 a.m. local time reporting cardiac and respiratory arrest.
Rivers was initially listed in critical condition when she was taken to Mt. Sinai hospital but since been upgraded.
In a brief statement, a hospital spokesperson told Yahoo: "This morning, Joan Rivers was taken to The Mount Sinai Hospital in New York, where she is being attended to. Her family wants to thank everybody for their outpouring of love and support."
Rivers won an Emmy Award in 1990 for Outstanding Talk Show Host. In the years since, the sassy comedian has been frequently situated at Hollywood events and on her reality series, alongside her daughter, Melissa.
Melissa, 46, and her teenage son, Cooper, flew from Los Angeles to be by Joan's side. Melissa later issued the following statement: "I want to thank everyone for the overwhelming love and support for my mother. She is resting comfortably and is with our family. We ask that you continue to keep her in your thoughts and prayers."