Federal investigators believe lightning may have played a role in igniting a fire at Mount Zion African Methodist Episcopal Church in Greeleyville, South Carolina.

The fire at the prominent African-American church began Tuesday night, making it the eighth black church in the South to burn down within the last 10 days, according to Time.

The recent string of church fires began just days after Dylann Roof fatally shot nine people who were praying inside of a historic African-American church in Charleston, South Carolina, on June 17. The racially-charged attack reignited national discussions on the prevalence of racism in America.

On Wednesday, senior FBI officials said no accelerants that indicate an act of arson were found at the AME church in Greeleyville. A forensics report of lightning strikes by CNN meteorologists also shows four strikes occurred in the immediate vicinity of the church around 7 p.m., local time, Tuesday night.

By the time the fire was extinguished, the flames had completely gutted the interior and collapsed the roof and only the brick walls were left of that second building.

Greeleyville, which is about 60 miles northwest of Charleston, was also burned to the ground by the members of KKK in 1995.

There are "still a lot of questions to be answered," said Stephen Gardner, chief sheriff's deputy of Williamsburg County, according to CNN. "We haven't ruled anything in or anything out at this point" regarding what caused the fire, said Craig Chillcott, assistant special agent in charge of the ATF field division in Charlotte, North Carolina.

"This community has been through so much," said former state Rep. Bakari Sellers, in reference to the shooting death of Walter Scott by a white police officer on April 4, and the Charleston church massacre.

"We are weary. We are tired," he added.

Stephen Gardner, chief deputy of the Williamsburg County Sheriff's Department, said the investigation was ongoing and wouldn't speculate about the cause. Greeleyville Mayor Jesse Parker added, "We were saddened by what we saw out there" and "to see the church in flames again, it gives you an ill feeling. We don't know what happened."