Model and activist Dayle Haddon has died from suspected carbon monoxide poisoning at a Pennsylvania home. She was 76. Solebury Township Police responded to a call Dec. 27, just after 6:30 a.m., regarding a man, 76, passed out at a home in Bucks County, police reported. A woman, 76, was found dead on the second floor of the home.

Dayle Haddon, a model who graced magazine covers and appeared in TV shows and films including “North Dallas Forty,” “Max Headroom” and “The Hitchhiker,” died in an apparent carbon monoxide leak in Solebury,

Dayle Haddon has died from suspected carbon monoxide poisoning at the home of her son-in-law, Buffy actor Marc Blucas.