Hundreds of residents in Rutherford County have been evacuated after a semi crash involving hazardous chemicals. The incident happened early Wednesday morning on Interstate 24 at mile marker 87, between Joe B. Jackson Parkway and Epps Mill Road. Two semis were involved in a crash, causing one of them to catch fire and spill pool supplies - including chlorine tablets. Other unknown chemicals may have been involved, as well. Chemicals were released into the air when crews doused the flames with water.