Yesterday, a substantial crowd rallied outside the Statehouse, calling on officials to take down the flag originally flown by the pro-slavery South during the 1861-65 American Civil War.
"We must put that flag in its place as a part of history," said Sarah Leverette, a 95-year-old civil rights activist, who attended the protest.
Bringing it down, she added, means the nine people killed at the the Emanuel African Methodist Episcopal on Wednesday night, have not died in vain.
The man charged in Wednesday's nine killings, Dylann Storm Roof, 21, held the Confederate flag in a photograph on a website and displayed the flags of defeated white-supremacist governments in Africa on his Facebook page.
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Controversy over the flag escalated further Thursday when Gov. Nikki Haley ordered the state and U.S. Flags on at the Statehouse lowered to half-staff for nine days to honor the dead.
Yesterday, Republican South Carolina state Sen. Doug Brannon said he would now introduce a bill to remove the flag entirely.
"When my friend was assassinated for being nothing more than a black man, I decided it was time for that thing to be off the Statehouse grounds," Brannon said, referring to one of the victims, Rev Clementa Pinckney, a state senator who doubled as the church's lead pastor.
Many see the Confederate flag as "a symbol of racial hatred," Romney tweeted on Saturday. "Remove it now to honor #Charleston victims."
Romney's statement prompted most of the Republican Party's leading presidential contenders to weigh in on flying the Confederate battle flag, although few took a definitive position one way or the other.
The debate holds political risks for Republicans eager to win over South Carolina conservatives who support the display of the battle flag on public grounds.
The state will host the nation's third presidential primary contest in February, a critical contest in the 2016 race.