18-year-old Brown was shot and killed by a Ferguson police officer on August 9. Despite the Brown family's continued call for peaceful demonstrations, violent protests have erupted nearly every night in Ferguson since his death.
. Demonstrators face off with police after tear gas was fired at protesters in Ferguson on Sunday. Shots were fired and police shouted through bullhorns for protesters to disperse, witnesses said.
Sunday's clashes erupted three hours before the curfew imposed by Missouri Gov. Jay Nixon. Officers in riot gear ordered all the protesters to disperse, and many did, but about 100 stood about two blocks away until getting hit by another volley of tear gas.
. A protester yells towards police in a cloud of tear gas in Ferguson on Sunday.
. A law enforcement officer on a tactical vehicle watches after a device was fired to disperse a crowd. As night fell Sunday in Ferguson, another peaceful protest quickly deteriorated after marchers pushed toward one end of a street. Police attempted to push them back by firing tear gas, shouting over a bullhorn that the protest was no longer peaceful.
. Demonstrators protesting the killing of teenager Michael Brown by a Ferguson police officer try to stand their ground despite being overcome by tear gas.
. Protesters react to the effects of tear gas.
. A police officer prepares to throw a tear gas canister as police try to disperse demonstrators in Ferguson on Sunday.
. A man gets help after being overcome by tear gas.
. Demonstrators react as police fire tear gas at them.