Mayor Tom Knowles : ` ` Demonstrations will probably break out in several places '' Grand jury decision expected this month whether to indict those who killed Michael Brown . The superintendents are concerned that if chaos happens , that could affect the ability of nearly 20,000 students who use transportation to get to and from school . Brown 's August shooting sparked protests that turned into riots this month . Do n't Do Coalition wants 48-hour notice before grand jury takes decision .
Mayor Tom Knowles : ` ` Demonstrations will probably break out in several places '' Grand jury decision expected this month whether to indict those who killed Michael Brown . Brown 's August shooting sparked protests that turned into riots this month . Do n't Do Coalition wants 48-hour notice before grand jury takes decision .