VIDEO: An arson investigation is underway after fire breaks out at a Milwaukee home Tuesday night -- where a 15-year-old Dennis King was beaten to death a few days ago. According to Milwaukee Police, a small fire started near the back door of a home near 12th Street and Keefe just before 10 p.m. Police say no one was home when the fire started. The fire left some exterior damage to the home. Police are still at the scene investigating. A criminal complaint alleges a 21-year-old man -- accused of killing King -- called 911 and identified himself on the day of the homicide.