A federal law enforcement source told the Associated Press that the fire at an African-American church in South Carolina Tuesday night is not believed to be arson.

Agents from the Bureau of Alcohol, Tobacco, Firearms and Explosives joined the investigation and other federal agencies were notified of yet another fire at a southern church, this one at Mount Zion African Methodist Episcopal Church in Greelyville Tuesday night.

The same church was burned to the ground by the KKK in 1995, according to The Post and Courier.

And that fire was featured in a story in the Los Angeles Times about the "long history of violence against black churches" that was published just last week.

Scroll down for social media reports on the fire in Greelyville, S.C.

Federal authorities say they are investigating several recent fires at predominantly black churches, but so far the blazes do not appear to be related.

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Meanwhile, the NAACP warned black churches Tuesday to take "necessary precautions" while the fires were being investigated, the Los Angeles Times reported.