Police officers in riot gear ordered people off the streets of Ferguson overnight, as a second night of a mandatory midnight curfew went into effect.
Just hours before, authorities fired tear gas into a crowd as protesters hurled rocks in their direction, says Capt. Ron Johnson of the Missouri Highway Patrol.
"Molotov cocktails were thrown. There were shootings looting vandalism and other acts of violence. We had to act to protect lives and property."
Resident Key Smith said he was in the middle of the chaos. "My eyes were hurting, I couldn't see, I couldn't really breath."
The confrontations came amid the results a preliminary private autopsy on Brown's body.
Former New York City chief medical examiner Michael Baden told The New York Times the 18-year-old was shot at least six times, including twice in the head.
He said one bullet entered the top of Brown's skull, suggesting his head was bent forward when he suffered a fatal injury.
Many people here in Ferguson remain angry at the officer responsible for using deadly force when they believe Brown was surrendering. Ferguson Police maintain Brown attacked the officer in his car and tried to take his weapon.
As a sign of growing federal involvement, The Justice Department says it will conduct its own autopsy on Brown's body, as soon as possible.
Because of the unrest, all schools in the Ferguson-Florissant School District will be closed today.
Missouri Governor Jay Nixon has signed an executive ordering the National Guard to Ferguson to help restore peace.
(Susan McGinnis CBS News)
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