Full Video: St. Louis County Police Chief Belmar talks after a tough night of protests

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ST. LOUIS, MO (KTVI) - Demonstrators burned buildings,  cars and shut area  highways down.  Chief Belmar says that started to see violence immediately following the Michael Brown grand jury's decision.  He says it was the worst night of protests since August.  Many officers feared for their safety since protesters were armed with guns and improvised weapons.

The Chief says that police did not see many peaceful protests. This is frustrating because many of the talks leading up to the decision were with groups advocating calm.

There were a few injuries among officers. One University police officer was shot in the arm, unrelated to Ferguson protests. No word yet  about protester injuries.