ATLANTA -- Two people were shot and another person is dead in an incident in southwest Atlanta, officials said.

Atlanta Police said officers responded around 8:30 to the 600 block of Smith Street SW after three people ini their 20s were reported shot. Police initially said all three were alert an conscious, but one of the victims later died.

Investigators said the gunshots were fired from inside a red pickup truck that was scene driving away from the scene.

Officers recovered several casings and weapons at the scene, and are working to determine a suspect. An initial investigation revealed that some sort of argument between the victims and the gunman happened prior to the shooting; police say the gunman returned to the scene and opened fire.

Officials are out canvassing the scene and looking for witnesses. The investigation is still ongoing.

PHOTOS | 2 shot, 1 killed in SW Atlanta

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