Windsor police have launched an arson investigation into a deadly house fire in Amherstburg that killed one person on Friday.Emergency crews were called to an active fire in the 100 block of Texas Road shortly before 9:30 p.m.Firefighters successfully extinguished the blaze and located a 47-year-old man during a search of the residence. He was pronounced dead at the scene.Police say the cause of the fire remains under investigation.No other details were provided.