(Horry County, SC) - A large wildfire in Horry County is believed to be human-caused. The South Carolina Forestry Commission shared that in a social media post Tuesday, but said their investigation is ongoing and an official cause for the blaze has not been released. The Carolina Forest fire burned for a fourth day in a row on Tuesday- and is believed to be 30-percent contained. The fire is over two-thousand acres in size- requiring the work of over 500 first responders.