Dayle Haddon, a Canadian model known for her appearances in the 1970s and 80s on magazine covers and television shows, has died at the age of 76 due to suspected carbon monoxide poisoning in Solebury, Pennsylvania. Authorities found her deceased in a bedroom, while a 76-year-old man was hospitalized. Haddon was the mother of journalist Ryan Haddon and the mother-in-law of actor Marc Blucas, who owns the property where the incident occurred. Canadian Prime Minister Justin Trudeau paid tribute to Haddon, calling her a revolutionary figure.