Demonstrators lie in the street in Berkeley, California on Saturday, Dec. 6, 2014. Two officers were injured Saturday night as a California protest over police killings turned violent with protesters smashing windows and throwing rocks and bricks at police, who responded by firing tear gas, authorities said. Demonstrators were responding to the grand jury verdicts in the shooting death of Michael Brown in Ferguson, Missouri and the chokehold death of Eric Garner in New York City by local police officers in their communities. (AP Photo/San Francisco Chronicle, Sam Wolson) (ONLINE_YES)
Demonstrators protest in front of the Berkeley police station in Berkeley California on Saturday, Dec. 6, 2014. Two officers were injured Saturday night as a California protest over police killings turned violent with protesters smashing windows and throwing rocks and bricks at police, who responded by firing tear gas, authorities said. Demonstrators were responding to the grand jury verdicts in the shooting death of Michael Brown in Ferguson, Missouri and the chokehold death of Eric Garner in New York City by local police officers in their communities. (AP Photo/San Francisco Chronicle, Sam Wolson) (ONLINE_YES)
Demonstrators toss out smoke bombs during a march in Berkeley, California on Saturday, Dec. 6, 2014. Two officers were injured Saturday night as a California protest over police killings turned violent with protesters smashing windows and throwing rocks and bricks at police, who responded by firing tear gas, authorities said. Demonstrators were responding to the grand jury verdicts in the shooting death of Michael Brown in Ferguson, Missouri and the chokehold death of Eric Garner in New York City by local police officers in their communities. (AP Photo/San Francisco Chronicle, Sam Wolson) (ONLINE_YES)
In this photo provided by Tay Nitta, police in riot gear patrol a street in Berkeley, Calif. amid smoke and tear gas after a protest over police killings turned violent, early Sunday, Dec. 7, 2014. Two officers were injured in the protests, with protesters smashing windows and throwing rocks and bricks at police, who responded by firing tear gas, authorities said. (AP Photo/Tay Nitta)
Demonstrators clash with police, in front of a man who injured his leg during the protest in Berkeley, California on Saturday, Dec. 6, 2014. Two officers were injured Saturday night as a California protest over police killings turned violent with protesters smashing windows and throwing rocks and bricks at police, who responded by firing tear gas, authorities said. Demonstrators were responding to the grand jury verdicts in the shooting death of Michael Brown in Ferguson, Missouri and the chokehold death of Eric Garner in New York City by local police officers in their communities. (AP Photo/San Francisco Chronicle, Sam Wolson) (ONLINE_YES)
This photo provided by Gabriel Reyes shows the protest in Berkeley, Calif., Sunday, Dec. 7. 2014. Three officers and a technician were hurt and six people arrested in Northern California when a protest over police killings turned violent. (AP Photo/Gabriel Reyes)
In this photo provided by Tay Nitta, a police officer in riot gear patrols a street in Berkeley, Calif. amid smoke and tear gas after a protest over police killings turned violent, early Sunday, Dec. 7, 2014. Two officers were injured in the protests, with protesters smashing windows and throwing rocks and bricks at police, who responded by firing tear gas, authorities said. (AP Photo/Tay Nitta)
Demonstrators clash with police, in front of a man who injured his leg during the protest in Berkeley, California on Saturday, Dec. 6, 2014. Two officers were injured Saturday night as a California protest over police killings turned violent with protesters smashing windows and throwing rocks and bricks at police, who responded by firing tear gas, authorities said. Demonstrators were responding to the grand jury verdicts in the shooting death of Michael Brown in Ferguson, Missouri and the chokehold death of Eric Garner in New York City by local police officers in their communities. (AP Photo/San Francisco Chronicle, Sam Wolson) (ONLINE_YES)