At 19:56hrs Truck 21 and Battalion 21 were dispatched to the 5800 block of Jerry St. for the reported structure fire with people trapped. Upon arrival of 1st arriving companies a 1-story mobile home was found heavily involved and fire attack initiated. Upon arrival, following a 13-mile response, Truck 21 assisted with opening up and Battalion 21 was assigned as the Incident Safety Officer. Upon completion of assignments both units returned to service within an hour. No injuries were reported on the fire ground and the fire is under investigation by the Fort Bend County Fire Marshal’s Office.