As evening falls in Minneapolis, protests show few signs of abating.

CNN Correspondent Josh Campbell, on the scene in Minneapolis, described the scene, as crowds continue to grow.

"There was a member of the community yelling at people throwing rocks into windows, saying, 'Don't do this in my community.' Not everybody here behind us is a protester. Some are trying to keep the peace," he said.

The crowds have been there all afternoon and there seem to be more people out tonight than last night.

Several large fires are still active, including a car that has been set alight, and the air is thick with billowing smoke and tear gas.

Earlier, police put up a fence around the perimeter of the police department, to separate the protesters from the precinct. The fence has since been pushed down by protesters.

There are police on rooftops, throwing tear gas down to the street, said Campbell. Protesters are responding by throwing rocks and glass bottles, setting off firecrackers, and using lasers to point to police officers as it gets dark out.

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