The incident happened Thursday around 7 p.m. The 15-year-old was one of three teens riding in a vehicle in a parking lot near a fire station in the 600 block of Maxey Road.
The 15-year-old in the car saw a 13-year-old on foot, according to Houston police. The teens had been in some sort of ongoing dispute, when the 13-year-old reportedly started shooting. In the shooting, the 15-year-old was hit in the buttocks.
The teen was taken to the fire station. From there, he was taken to a hospital.
While no other information was immediately disclosed, HPD said they are searching for a teen suspect.