A St. Louis County police officer driving a squad car struck a 12-year-old girl in an incident that a spokesperson from the St. Louis Metropolitan Police Department said "started in the county and came into the city." A spokesperson from the St. Louis Metropolitan Police Department said the girl was struck near the intersection of Halls Ferry Road and Hornsby Avenue at around 5:50 p.m. Monday. Police said the officer was driving a squad car, but did not say if the officer was chasing someone. Police said the girl was rushed to the hospital with very serious injuries. The St. Louis Metropolitan Police Department did not provide more information about the incident but said their accident reconstruction team is working with the St. Louis County Police Department on the investigation.