PHOTOS: A 21 acre brushfire led to the evacuation of four blocks of houses in Fort Pierce on Saturday afternoon. Several St. Lucie Fire District units arrived at the Morningside Community off of Orange Ave at around 3 p.m. Firefighters said at least four blocks of homes had to be evacuated to ensure residents safety. Crews battled to contain the fire, by the end of the night the 21 acre fire was fully contained. Officials say there are no reported injuries or structures damaged.