At approximately 1 p.m. today, Stations 2, 3, 4, and 5 responded to a potential residential fire in the 9600 block of 33rd St. South. Upon arrival at the scene one of the firefighters on a responding crew reported shortness of breath and remained in the vehicle with a fellow firefighter while others addressed the fire. Crews determined the reported fire was an illegal open burn. When the remaining crews returned to the pumper truck, he fell unresponsive. Medical care was immediately started on the firefighter and he was transported in critical condition to Centerpoint Medical Center, where he was later pronounced deceased. Further details will be released after family notification and when service information is available.