RICHMOND (CBS SF) — A Discovery Bay woman was fatally shot Thursday night at Booker T. Anderson Jr. Park in Richmond, according to police.

Officers responded to a ShotSpotter gunshot detection system alert at 960 S. 47th St. around 8:45 p.m.

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The victim was dropped off at a hospital while police were still en route, and she later died of her wounds.

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The victim has been identified as 20-year-old Alexandrea Sweitzer, according to the Contra Costa County coroner’s office.

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Investigators believe that an argument at the park may have escalated, leading to the shooting. They’re asking anyone with additional information to call Detective C. Decious at (510) 621-1747.