Model, Hallmark star dead at 76 after suspected carbon monoxide leak in Pennsylvania home

Dayle Haddon, who modeled for decades while also maintaining a dual career as an actress, has died at 76.

Haddon, who had starred on screen with Nick Nolte at the height of her career, died as a result of suspected carbon monoxide poisoning, NBC10 in Philadelphia reported on Friday.

The Bucks County emergency dispatch reportedly got a call around 6:30 a.m. that day after a man was spotted lying passed out on the floor of a detached in-law suite in Solebury Township, Pennsylvania.

First responders also discovered an unresponsive woman in a second-floor bedroom of the home, who was later identified as Haddon and pronounced dead at the scene.