A traffic accident occurred on the Northwest Side, resulting in serious harm to a young child. The incident involved a vehicle collision and a subsequent crash into another car. Authorities have a person in custody in connection with the event.

The person arrested is a 23-year-old woman, and she faces charges related to the accident. The condition of the injured child, who is 4 years old, is not currently known.

Further information about the accident and the investigation can be found through the San Antonio police report.