Updated

Canadian actress and model Dayle Haddon has died. She was 76.

Haddon's cause of death was suspected carbon monoxide poisoning, the Solebury Township Police Department confirmed with Fox News Digital. 

"The investigation indicates a faulty flue and exhaust pipe on a gas heating system caused the carbon monoxide leak," the police report stated.

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Haddon has been featured on the covers of Vogue, Elle and Cosmopolitan during her modeling career. 

Haddon has been featured on the covers of Vogue, Elle and Cosmopolitan during her modeling career.  (Jean-Jacques LAPEYRONNIE/Gamma-Rapho via Getty Images)

The cause and manner of death will be "Pending Toxicology" until test results are returned and analyzed, the Bucks County Coroner’s Office shared with Fox News Digital.

The Solebury Township Police Department responded to a call on Friday, December 27, 2024, at approximately 6:31 a.m. 

Bucks County 9-1-1 Emergency Communications received a call from the resident that a man was lying down, passed out on the first floor of a detached office or in-law suite, according to the police report. 

New Hope Lambertville Rescue Squad was first to arrive at the scene and immediately removed a 76-year-old male from the building. Police confirmed the male who survived was Walter Blucas. He is in critical condition at Robert Wood Johnson University Hospital.

During her modeling career, Haddon signed contracts with four major cosmetic companies — Revlon, Max Factor, Estée Lauder and L’Oréal

During her modeling career, Haddon signed contracts with four major cosmetic companies — Revlon, Max Factor, Estée Lauder and L’Oréal (Jean-Jacques LAPEYRONNIE/Gamma-Rapho via Getty Images)

Haddon was discovered unresponsive in bed on the second floor of the building and was pronounced dead.

New Hope Eagle Volunteer Fire Company was also on scene and detected a high level of carbon monoxide on the property, the police report stated.

Two medics were transported to Doylestown Hospital for carbon monoxide exposure and one Solebury Township Police Officer was treated at the scene. 

The home was owned by Haddon's daughter, Ryan Haddon, and Ryan's husband, Hallmark actor Marc Blucas, according to records.

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Dayle Haddon

Canadian actress and model Dayle Haddon was discovered unresponsive in bed on the second floor of a building and was pronounced dead, the Solebury Township Police Department confirmed with Fox News Digital. (Marc Piasecki/FilmMagic/Getty Images)

This case is currently under investigation by the Solebury Township Police Department. 

Authorities emphasized this tragic incident serves as a stark reminder of the importance of carbon monoxide safety precautions in homes.

Haddon was born on May 26, 1948, in Canada

At the age of 13, she was a member of the Les Grands Ballets Canadiens and became Miss Montreal at 18 years old.

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During her modeling career, Haddon signed contracts with four major cosmetic companies — Revlon, Max Factor, Estée Lauder and L’Oréal -- according to her website.

Haddon graced the cover of the 1973 Sports Illustrated Swimsuit issue. She starred in movies including Disney’s "The World’s Greatest Athlete" and "North Dallas Forty" with Nick Nolte.

Dayle Haddon

Model Dayle Haddon worked as an ambassador for the humanitarian aid organization UNICEF. (Jim Spellman/WireImage/Getty Images)

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She has also been featured on the covers of Vogue, Elle and Cosmopolitan during her career. 

The model and actress additionally wrote the books "Ageless Beauty" and "The 5 Principles of Ageless Living."

Haddon’s daughter, Ryan, paid tribute to her late mother in an emotional social media post. 

"The bright light that is Dayle has dimmed in this Earthly realm. Shining somewhere as radiantly as ever where it’s most needed, I have no doubt," Ryan penned on Instagram.

"She was a woman in her power, yet soft and attentive to all. Deeply creative and curious, gifted with beauty inside and out. Always kind and thoughtful," she wrote in part. 

Haddon’s daughter concluded the post with, "A pure heart. A rich inner life. Touching so many lives. A life well lived. Rest in Light, Mom."

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Ryan accompanied her heartfelt tribute with a selection of photos of her mom's magazine covers in addition to her work as an ambassador for the humanitarian aid organization UNICEF.