PHILADELPHIA - A homicide investigation is underway after police say a woman was killed inside a home in the Rhawnhurt section of Philadelphia.The 25-year-old woman was found shot in a basement on the 2000 block of Napfle Avenue around 11:30 a.m.MORE HEADLINES:She reportedly suffered three fatal gunshot wounds, and was pronounced dead on the scene.No weapons have been recovered, and no arrests made..