A homicide investigation has been launched after an 18-year-old man was shot and killed early Sunday morning in Dallas, authorities said.

Teen killed in shooting What we know: Dallas Police Department officers responded to reports of a shooting in the 400 block of North Masters Drive at 1:53 a.m. A preliminary investigation determined that the victim, identified as 18-year-old Isaiah Hernandez, had been shot by an unknown suspect.

Personnel with Dallas Fire-Rescue responded to the scene and took Hernandez to a local hospital, where he later died from his injuries.