Dallas police are investigating after three people were found dead and a fourth was hospitalized in critical condition at a home in South Dallas on Monday. Officers responded to the 2700 block of Burger Avenue on Monday afternoon, where a preliminary investigation found four people unconscious in side the home. Dallas Fire-Rescue responded and pronounced three of the people dead at the scene. A fourth person was taken to a hospital in critical condition. Neighbors told NBC 5 they witnessed what appeared to be a party in the area in the hours before the discovery. Dallas police said the case is being investigated as an unexplained death. No additional information about what may have led to the deaths was provided. This story was originally reported for broadcast by NBC DFW. AI tools helped convert the story into a digital article, and an NBC DFW journalist edited it again before publication. ...read more read less