A 15-year-old is the latest victim of gun violence in Philadelphia. The teen was shot in the back at 13th and Cambria Streets on Sunday night. Paramedics rushed him to the hospital, but he died a short time later. No arrests have been made, but police think the shooting was the result of a fight a few block away.The victim is the second teenager shot to death in the city this weekend. Fifteen-year-old Brandon Suttles was killed in Strawberry Mansion early Saturday morning. His killer has not been caught either. [via 6ABC]