Dallas shooting leaves 19-year-old dead

Police said a 19-year-old was killed in a shooting near the Dallas-Duncanville border Friday afternoon.

Dallas police responded to two related shooting calls at a convenience store on Gannon Lane, near I-20, just before 4 p.m.

Officers found 23-year-old Jacory Simpson with a gunshot wound inside the business. He was taken to a hospital in critical condition.

They learned Donavon Jones had already been taken to a local hospital with a gunshot wound. He was later pronounced dead.

Investigators said Simpson first got into an argument with 20-year-old Taquan Cooks in the parking lot. 

Cooks then shot Simpson, according to police, but then Simpson reportedly approached Jones and shot him.

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Police said Simpson tried to run off but went inside the building.

Simpson remains hospitalized, and now has an arrest warrant for murder and unlawful carrying of a weapon. 

Cooks is charged with assault-serious bodily injury and is now booked into the Dallas County Jail.