The National Guard is standing by in Ferguson as officials brace for more violence. Anger over unarmed black teen Michael Brown shot and killed by police has exploded into chaos.
Despite a mandatory curfew, protests spiraled out of control Sunday night. Protesters hurled molotov cocktails at police who used tear gas and rubber bullets to disperse the crowds.
Two people were shot and injured, but officials say they were not shot by police.
The images out of Ferguson have been shocking. Police officers look like they're going to war. But there's a reason why police are so armed.
It all started with a bank robbery gone wrong.
CNN's Kyung Lah reports.