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Pallbearers walk Walter Scott's casket to the gravesite for his burial service in Charleston, S.C. on Saturday, April 11, 2015. Scott was fatally shot by a North Charleston, S.C., police officer a week earlier after a traffic stop. Officer Michael Slager has been charged with murder.(The Associated Press)

Judy Scott, left, looks up as an honor guard folds a U.S. flag that covered the casket of her son, Walter Scott, before it's presented to her during his burial service in Charleston, S.C. on Saturday, April 11, 2015. Walter Scott was fatally shot by a North Charleston, S.C., police officer a week earlier after a traffic stop. Officer Michael Slager has been charged with murder. (AP Photo/David Goldman)(The Associated Press)

Neda Nussbaum, left, attaches flowers to a fence accompanied by her husband, Alan, in North Charleston, S.C. on Saturday, April 11, 2015 at the scene of Walter Scott's death. Scott was fatally shot a week earlier by a North Charleston police officer after a traffic stop. Officer Michael Slager has been charged with murder. (AP Photo/Chuck Burton)(The Associated Press)

People gather inside the lobby of city hall as Danielle Richardson, of James Island, S.C., speaks during a rally in protest to the shooting death of Walter Scott, Saturday, April 11, 2015, in North Charleston, S.C. Scott was fatally shot by a North Charleston, S.C., police officer a week earlier after a traffic stop. Officer Michael Slager has been charged with murder. (AP Photo/David Goldman)(The Associated Press)

NORTH CHARLESTON, S.C. The Rev. Al Sharpton is expected to appear in North Charleston and attend a vigil for Walter Scott, the black driver who was fatally shot by a white police officer after he fled a traffic stop.

Sharpton is expected to preach Sunday at Charity Missionary Baptist Church before attending a vigil near the scene of the shooting.

Scott was shot April 4 and former officer Michael Slager initially said he fired after a tussle over his department-issued Taser. Witness video showed that Slager fired eight times as Scott ran away. Slager was fired and has been charged with murder.

The shooting sparked outrage as another instance of a white law officer fatally shooting an unarmed black man under questionable circumstances.

Hundreds gathered in Summerville on Saturday for Scott's funeral.

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Rev. Al Sharpton expected to preach, attend vigil in North ...