Police believe a man suffered life-threatening injuries in a fire at a home where a woman was killed on Wednesday. At around 5 a.m. on Thursday, police were called to a home in the 9800 block of Dennis Drive for a fire. Shortly after police responded to the home, officers were told a man was dropped off at an area hospital with burns. They believe he was injured in the house fire. He is being treated for life-threatening injuries. The St. Louis Regional Bomb and Arson Unit responded to the scene to investigate. This is the same home where a woman was shot and killed on Wednesday. Police are investigating any possible connection between the two incidents.