UPDATE: 4:38AM-- Crews have gotten the fire under control at Tyler Pipe.
KLTV 7 has learned crews are working a fire at the Tyler Pipe Plant on Highway 69 North.
Smith County dispatchers tell us the first call came in around 3:30a.m. about a fire in the North Plant.
Dispatchers say there were no injuries reported in this incident but say several departments responded to this fire.