A fire broke out overnight at an apartment complex in southwest Atlanta. It happened at Martin Manor Apartments at 2950 Martin Luther King Jr. Drive SW. Officials at the scene say four units were impacted by the fire and one is badly damaged. Atlanta Fire says no one was home in the apartment where the fire originated. No injuries were reported. Four people, two adults and two children, have been displaced. The Red Cross says it is assisting three families for a total of six people. Firefighters are watching hot spots and looking into what sparked the fire.