DALLAS (CBSDFW.COM) – Police are investigating after a fatal hit-and-run incident in the Pleasant Grove area of Dallas late Wednesday night. It happened at about 11:30 p.m. near the corner of Jim Miller Road and Barrett Drive.

Officers initially said that the driver of a red car struck a woman who was attempting to cross the street. But investigators later explained that the woman had been involved in some sort of argument with a man. During that dispute, the victim started to walk down the street, saying that she was going to kill herself.

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The man followed her in his vehicle. He watched as the woman ran into an intersection and into the path of the red car. It is not known if the fatal act was intentional or accidental.

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The victim was transported to Baylor Medical Center at Dallas, but family members said that she did not survive. The name of the woman has not yet been released.

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According to authorities, the driver who hit the 20-year-old woman drove away from the scene and has not been located. The search for that suspect is ongoing.