Police : Officer fired at least 3 shots , the suspect at least 17 . The officer was not injured ; a gun was recovered . An investigation is underway . ` Protests are planned two months ago in St. Louis and Ferguson .
Police : Officer fired at least 3 shots , the suspect at least 17 . The officer was not injured ; a gun was recovered . An investigation is underway . Protests are planned two months ago in St. Louis and Ferguson .