Police say the dynamic is changing amid widespread protests over the killing of an unarmed teen Michael Brown in the St. Louis suburb of Ferguson.  Missouri State Highway Patrol Captain Ron Johnson says officers did not need to use tear gas overnight but did make several dozen arrests.

Officers made 47 arrests, including the detainment of several armed suspects who approached a police barricade in a car.  Three guns were seized.  Johnson credited community leaders and clergy for helping to keep the majority of protests peaceful late last night and early this morning.   

Meanwhile, a St. Louis County grand jury could start hearing evidence as early as today to decide whether a Ferguson policeman will be charged with the death of Brown.  St. Louis County Prosecutor Bob McCulloch is overseeing the case that will determine whether Officer Darren Wilson will face criminal charges.  Witnesses and authorities have conflicting accounts of the deadly shooting.   On Tuesday afternoon, more than 100 people protested outside the county government building in Clayton for a few hours with some calling on McCulloch to step down and hand the case over to an independent prosecutor.


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