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The Latest: Minutes of silence held on anniversary of Michael Brown's death in Ferguson

  • Police stand near a broken cash register in a parking lot after the front windows of a business were broken out along West Florissant Avenue, Sunday, Aug. 9, 2015, in Ferguson, Mo. Sunday marks one year since Michael Brown was shot and killed by Ferguson police officer Darren Wilson. (AP Photo/Jeff Roberson)

    Police stand near a broken cash register in a parking lot after the front windows of a business were broken out along West Florissant Avenue, Sunday, Aug. 9, 2015, in Ferguson, Mo. Sunday marks one year since Michael Brown was shot and killed by Ferguson police officer Darren Wilson. (AP Photo/Jeff Roberson)  (The Associated Press)

  • People watch as police investigate the scene of a break-in along West Florissant Avenue, Sunday, Aug. 9, 2015, in Ferguson, Mo. Sunday marks one year since Michael Brown was shot and killed by Ferguson police officer Darren Wilson. (AP Photo/Jeff Roberson)

    People watch as police investigate the scene of a break-in along West Florissant Avenue, Sunday, Aug. 9, 2015, in Ferguson, Mo. Sunday marks one year since Michael Brown was shot and killed by Ferguson police officer Darren Wilson. (AP Photo/Jeff Roberson)  (The Associated Press)

  • Michael Brown Sr., speaks at the spot where his son, Michael Brown, was killed one year ago Sunday, Aug. 9, 2015, in Ferguson, Mo. Sunday marks one year since Michael Brown was shot and killed by Ferguson police officer Darren Wilson. (AP Photo/Jeff Roberson)

    Michael Brown Sr., speaks at the spot where his son, Michael Brown, was killed one year ago Sunday, Aug. 9, 2015, in Ferguson, Mo. Sunday marks one year since Michael Brown was shot and killed by Ferguson police officer Darren Wilson. (AP Photo/Jeff Roberson)  (The Associated Press)

The latest in the events marking a year since the death of 18-year-old Michael Brown in Ferguson, Missouri (all times local):

12:10 p.m.

A crowd of hundreds has held four and half minutes of silence to mark a year since the death of 18-year-old Michael Brown in Ferguson, Missouri.

The silence began at 12:02 p.m., the time Brown was killed, and the length was to symbolize the four and a half hours that his body lay in the street after he was killed. Two doves were released at the end.

A march was set to start at the site where Brown, who was black and unarmed, was fatally shot by Ferguson officer Darren Wilson on Aug. 9, 2014.

A grand jury and the U.S. Department of Justice declined to prosecute Wilson, who resigned in November, but the shooting touched off a national "Black Lives Matter" movement.