More than 400 Americans die from accidental carbon monoxide poisoning every year, which sends another 100,000 to the emergency room, according to the U.S. Centers for Disease Control and Prevention.

Actress and model Dayle Haddon has died and another person has been hospitalised due to a carbon monoxide leak at a home in Pennsylvania, authorities have said. Haddon modelled for brands including Estée Lauder and L'Oreal,

Canadian actress and model Dayle Haddon died Friday from a suspected incident of carbon monoxide poisoning which took place at the home of her son-in-law, Marc Blucas, who starred in the TV series “Buffy the Vampire Slayer.