Authorities are investigating after a police officer was shot during a traffic stop Friday morning in west St. Louis County. It happened shortly before 11 a.m. near the 300 block of New Ballwin Road, near Old Ballwin Road. According to our partners at the St. Louis Post-Dispatch, the wound was in the neck. The officer, who works for the Ballwin Police Department, was transported to a local hospital for treatment. His condition is unknown at this time.