DALLAS (CBSDFW.COM) – An 18-year-old woman was killed Saturday afternoon after she was shot at her Dallas apartment. Her 16-year-old sister was also shot and injured.

Police say the 18-year-old victim, later identified as Nequacia Jacobs, and her sister were standing in their second-floor apartment just after 2 p.m. in the 5700 block of Highland Hills when they heard a disturbance outside.

According to police, when they went to their window to look, an unknown male suspect shot at them from the lower level. The 18-year-old was shot in the torso and later died from her injuries at the hospital.

The 16-year-old sister was shot in the back and is in serious condition at the hospital.

Police released photos of a suspect vehicle and described it was a white Dodge Charger with tinted windows and white rear spoiler. It is believed to be between a 2005 and 2010 model with stock black tires.

The white Dodge Charger is said to be the suspect vehicle in the shooting. (Dallas PD)

Police also described the suspect in the shooting as a black male wearing a dark-color hoodie with a distinct logo on the back and writing on the left sleeve.

Police believe this is the suspect in the shooting. (Dallas PD)

Anyone with information on the suspect is asked to call police at 214.671.3701.