Actress and model Dayle Haddon has tragically died, and another individual has been hospitalized following a carbon monoxide leak at a residence in Pennsylvania, authorities have confirmed.

Haddon, known for her work as a model in the 1970s, represented iconic brands such as Estée Lauder and L’Oréal. She also graced the covers of prestigious magazines like Sports Illustrated and Vogue Paris.

Police reported receiving a call at 6:31 a.m. local time (1:31 GMT) on Friday about a 76-year-old man who had collapsed on the first floor of a detached, self-contained building at a property in Bucks County.