Lexington police told FOX 56 that it happened around 12:56 p.m. in the 1400 block of Anniston Drive.
Police said 20-year-old Kaleb Peterson was arrested shortly after the shooting, and he was lodged in the Fayette County Detention Center. Paterson was charged with first-degree assault and violation of conditions of release.
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One person was found outside suffering from a life-threatening gunshot wound and has been transported to an area hospital.
The circumstances surrounding the shooting are unknown at this time, and an investigation is ongoing.
Dustin Massengill contributed to this story.