Just before 1100 hrs a box alarm was dispatched for a townhouse on fire behind Largo High School in Company 46s area. Engine 371 along with surrounding units arrived in the area and could see a column of smoke in the sky. Units feverishly searched the area trying to find the source. After a search of the surrounding streets came up negative an investigator found an auto in the woods between the school and the town homes. Engine 371 was close by and extinguished the fire while the remainder of the assignment was returned.