One man's death has been ruled a suicide in a Wallingford house fire that killed three other people. Police said one deceased adult was found in the front and another in the back of the house. An infant and another child were also found dead, along with a dog. The King County Medical Examiner found that 48-year-old Salvatore Ragusa died of smoke inhalation and acute asphyxia in the Sept. 2 fire. Causes of death and identification of the other people who died in the fire have not been released. READ MORE: https://www.king5.com/article/news/crime/mans-death-wallingford-house-fire-killed-4-suicide/281-665c7f8a-ed38-4ab4-afbc-d92864ed730e