Some protesters stood their ground, however, holding up signs as smoke surrounded them.
Sunday’s clashes come as a preliminary private autopsy shows Brown was shot at least six times, including twice in the head.
One of the bullets entered the top of Brown’s skull, meaning his head was bent forward, ABC News has confirmed. Brown was also shot four times in the right arm, the autopsy found.
The autopsy was performed Sunday at the request of Brown’s family.
Meanwhile, U.S. Attorney General Eric Holder ordered a federal medical examiner to perform a separate autopsy because of the circumstances surrounding the shooting.
The St. Louis County Medical Examiner's office has also conducted an autopsy which concluded that Brown died from gunshot wounds to the head and chest.
Schools in the Ferguson-Florissant School district will remain closed today because of lingering unrest in the area.