Fire crews had their hands full last night with a fire in the south end. District Fire Chief Peter Sab says it broke out on the first floor of a building at 175 Pitt Street shortly after 9:00. Fire Damage was heavy to the first floor of the building. Two families have been left homeless. An investigation is underway into a cause but it's believed to be electrical in nature and not suspicious. Firefighters were on the scene for 4 hours.